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IS: stability in the viewfinder vs at the image plane

Sigma gives you the choice of optimizing the stability in the viewfinder or at the image plane by altering the OS settings in the dock. Tamron apparently has the best image stabilization for its VC when you choose to have poor stabilization the viewfinder, whereas Canon appears to have both the viewfinder and the actual image well stabilized: see http://web.canon.jp/imaging/lens/merit/finder/index.html.

Perhaps someone more expert than me could explain how Canon achieves the compromise so well and the others don't. My guess is that the stabilization in the viewfinder depends on damping relatively slow motions whereas the actual image requires a higher frequency dampening.

Panorama with iPhone.

Snow is back. I step out this morning to 5 inches of snow. I decided to try a iPhone panorama, using my iphone 6, adobe lightroom cc, and Adobe classic cc.

I stood one the porch and took 6 shots while panning the camera hand held. Then, I slowly synched them to the Adobe CC cloud. However, getting them to synch with Adobe Calssic CC was not working, I had some images synch but not my new ones.

So, I gave up on that idea and copied them directly from the iPhone to my computer.

Then I used the panorama tool in Adobe classic cc with the boundary warp function to avoid excessive cropping. It turned out well for a casual set of handheld shots. It looks a lot like a super wide lens was used, the left and right edges of the roof are 20 ft apart and were 180 degrees apart from where I was standing.

snow%20pan%20%2021-Pano-XL.jpg

Fun iPhone X review with Photographer Chase Jarvis

Chase Jarvis reviews the iPhone X in usual upbeat style. He knows cameras inside and out, and while he is a Nikon user first and foremost, he never bashes other brands.

He is also able and willing to hire a helicoptor to play with the phone camera as well as a pro film crew to film him. I don't know if they used a iPhone 10 to film him, my hearing is not good enough to understand everything.
AzQvOPLZ_0I

https://youtu.be/AzQvOPLZ_0I

New 7D Mark II - Difficulty with Sharp Photos

Good evening,

I was hoping to maybe get some thoughts/input from the group. I recently became the owner of a Canon-refurbished 7D Mark II, as what seemed like a deserving replacement to my 6 year old and well used 7D. Took it out today and the results were ... well somewhat alarming. With my 7D, I never questioned whether images would be sharp, notwithstanding atmospheric conditions or horrendous panning by me. However the F8.0, 1/800 sunny stuff was always a slam dunk. Not so with the 7DII today. I would say maybe 5% of the overall images were on part with my 7D's usual performance, despite using the same glass, etc. I am also talking about images being WAY out of focus, soft, blurry, etc. I have some examples below. Anyone have thoughts on what may be driving this?

I shoot aircraft primarily, and this type of airliner photography is the easiest stuff (relatively slow, predictable paths, etc). I was somewhat taken aback to have such disparate results between the 7D and 7DII... however I can only assume it is something wrong with my set-up?

AF: Servo
AF Points: Large Zone AF (central zone selected)
Case 2
Focus Priority


First up is a photo from the same place, same lens on my old 7D. Next up are a pair of examples from the 7DII... which are far from the worse.

7D1 by Nicholas Peterman, on Flickr

7D2 by Nicholas Peterman, on Flickr

7D2ii by Nicholas Peterman, on Flickr

7DIII by Nicholas Peterman, on Flickr


I'd appreciate any thoughts y'all may have. After spending money on a new body, I shudder to think I may now have a serious problem with softness ahead of me :(

First impressions - A7R III preproduction unit

My local camera shop had a preproduction A7R III and a 24-105 in for folks to see, and I was fortunate enough to have had the opportunity to play with it for about half an hour. Here are my observations and first thoughts, keeping in mind that it was a preproduction unit with early firmware. They did not permit me to put a memory card in the camera to keep any shots :P

1. Viewfinder - The viewfinder was easily an order of magnitude better than A7R II. Mostly gone is the jello effect, and it is actually quite pleasant to use for subjects that are still, or for subjects that are slow-moving (like walking). It's very sharp and very clear.

The viewfinder still blurs when you pan the camera. For example, I pointed it at a large sign that said SONY, and zoomed in such that the letters filled about 3/4 of the viewfinder horizontally. When I panned even slowly, the letters suffered from visible motion blur. Not as badly as A7R II, not even remotely close to the experience of an optical viewfinder.

In addition, for some reason, the viewfinder started to stutter in jarring (unusable) way when the camera was in continuous autofocus. When I pointed it out to the Sony guy, he reset the camera, and that went away. He blamed it on preproduction firmware, which is entirely plausible. He also said that they had a number of other issues with that unit.

2. Autofocus - On the 24-105, autofocus was smooth, quick, and apparently accurate when using people as subjects. I say apparently, since there's no way to tell with no memory card. But, it didn't stumble, and the experience was favorable. The default intelligent mode, where the camera seems to figure out what you might want to focus on is kind of crazy, because it seemed to just randomly grab a person walking by, when I was clearly pointing at a tripod. And if there's multiple people in the scene, I have no idea how it figures out who to focus on. Where there was only 1 human, it always reliably identified the person and set AF to the face (AF face detection was on).

The Joystick is a very, very welcome. It worked well when the camera was set to center point. When nonhuman subjects were far away (15 ft+), AF seemed to be quick and responsive with centerpoint. However, when objects were close (3-6ft), center point sometimes did not focus on what I wanted it to. It was quite reproducible, and the explanation was that this was a preproduction unit.

I was also permitted to attach a G-Master 70-200/2.8. On the plus side, the lens on the camera feels very balanced, and the rig feels nice. But the good news ended there. The autofocus was horrible - it hunted a LOT, at times unusably so for a subject like a price tag at about 6 feet. It would actually go back and forth and stutter like it was having a seizure, never locking on. Again, this was blamed on preproduction.

It did seem to AF better at f/2.8 than stopped down to f/5.6. Could it be that there wasn't enough light? Either way, it would not be acceptable to me in a production unit.

3. FPS, Buffer, Uncompressed vs Compressed RAW - The Sony guy tried to sell me on Compressed RAW, which lowers it to 12 bit (from 14), and also drops the file sizes from 100MB / file to about half that. He claims that the differences are not detectable, but of course, there's no way to without recording photos. He told me 26 frame buffer in uncompressed mode, and seventy-something (76?) in compressed, either of which is very impressive, especially considering the FPS. 100MB / file... aie carumba. 600 photos, and a 64GB card would be full LOL.

He mentioned that he filled a 128GB card pretty quick. So, it's worth thinking about before buying a 40+ megapixel camera, the cost of larger memory cards, since 128 will be the new 64, and if you want them UHS2, that adds to the total cost of ownership.

4. Buttons, Build, and Egonomics - There are a lot more buttons, which is very welcome, and a rear dial, of course. However, on the down side, there are still way too few buttons. There are many, many things that Canon cameras have dedicated buttons for, like changing AE, Focus, ISO, Drive, etc. -- and on the Sony, the answer is "program it to one of the custom buttons". But the problem is, there aren't nearly enough, at least for me. The dials also had a certain, non-industrial cheapness to them, in comparison to Canon or Nikon dials, but maybe that's just me.

In terms of ergonomics, it's feels just like the A7RII. So if you like that, you'll like this, and if you didn't you'll still hate it. There are a million threads about Sony A7RII ergonomics, so I'll just skip right past it, except to say that personally, they have always felt ok with smaller lenses, and awkward with anything larger than a 70-200.

I guess it's to be expected since the build hasn't changed, but the A7R III still feels like a delicate flower. I think I would hesitate to use it in a situation where I might drop it, because it doesn't feel like it would survive that kind of handling. Or, bashing it against something accidentally. Though uncommon, it's not like I've never done those things to my cameras.

5. Techno-gizmo-features - This camera is PACKED with them. There are so many features that I didn't even know where to start to explore them, and I certainly wouldn't do any justice trying to pass on my observations, because I really didn't know what I was doing. How many of those features would actually be useful, I have no idea.

Oh, it had 2 card slots, Yay. On the minus side, the remote trigger uses a mini USB -- it shares this with the computer connection. I say that's a minus, because this is much , much more fragile than mini mic/N3, and it certainly is not water resistant like N3. On the other hand, it doesn't seem like the A7R II survives water very well, so maybe this is more a fairweather camera. Plus, you can't tether AND use a remote trigger, right?

6. Other things mentioned - The battery seems much improved, and they brought up 5.5 stops of IS, over 4 stops, which is pretty amazing. He also brought up more dynamic range, claiming 15 stops. Really? I thought the sensor output was not much different than A7R II. Whatever. I just thought it was cute that this was on the list of things to rattle off to potential customers. Along the same lines, he also brought up some HDR stuff, which is also unexciting to me.

Ironically, everyone there universally suggested that I buy the Sigma MC11 adapter to use with the Sony body so that I could preserve my Canon lenses. The camera shop guy pointed out that comparable Canon lenses were MUCH cheaper, and the Sony guy chimed in that with the Sigma adapter, all of the advanced Sony features would work, and that he preferred this over the metabones adapter that was twice the price (wait, so he uses Canon lenses with his Sony?).

The Sony guy mentioned that on the video end, there were advantages to using the native Sony lenses, but since I identified right at the beginning that that I didn't give a flying fart about video, he said that for photographs, Canon lenses would work every bit as well (as Sonys). Which was just kind of stunning to hear from him, I guess.

The Camera store person chimed in that this would also allow me to use the lenses with my Canons. Really? I would have never thought of that!

OTOH, I suppose Sony guy might have been a Sony champion of some sort, rather than a Sony employee. He was wearing a Sony shirt, though 8)

Final thoughts -- well, at this moment, even if I really wanted one, after seeing the preproduction unit, I sure wouldn't buy one, until it came out and I was sure the bugs were all ironed out. Boy, were there a lot, for a unit that they were demonstrating to the general public. Maybe I'm being unfair, but it feels like it's rushed to make Christmas.

That said, would I buy one, if it were bug free? There are a lot of things to really like about it, but I think the EVF still has to get a little better before it would be useful -- or at least, not migraine inducing -- for my style of birding. I would need to see AF on the final version, and it would have to be a lot better on lenses that I'd use before I'd consider it, too. At the price, I don't think that these things should have to be compromised on.

The remote shutter might kill it for me too, because I use a wired remote trigger a lot (no batteries), and micro USB is not a good connector for that, in my opinion. Plus, I do not like the idea of not being able to tether and have a wired trigger at the same time.

Would I buy one if it were a Canon, in a Canon body, with Canon ergonomics? Maybe. Which is saying a lot, because (a) it's more than I would think of spending on a body and (b) because the EVF still isn't as pleasant to use as an OVF, and having fun shooting is very important to me in photography as a hobby. Still, it gives hope for me as a mirrorless customer, I guess!

Still, it was lots of fun to check out and well worth the half hour.

UniWB - ETTR - how to check difference raw&jpg clipping?

I managed to set UniWB on my 5Ds R and would like to see how big the exposure difference between jpg clipping and raw clipping is.

Strangely, images that seem to clip a lot on the camera (only green) show a histogram which hardly clips (both raw & the internal jpg extracted using QuickJpegFromCR2). The contast, sharpening and saturation are all set to lowest value in the picture style 'neutral' in my cameras menu.

I use ACR to check the histrograms, could that be the source of the difference in histogram appearance between ACR and the back of the camera? Any suggestions how to check/measure it approximately?

Canon Launches New 4K UHD Portable Zoom Broadcast Lenses

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<em>The New Broadcast Lenses Feature 45x Zoom, The Highest Zoom Ratio in Their Class</em></p>
<p><b>MELVILLE, N.Y., November 1, 2017</b> – Canon U.S.A., Inc., a leader in digital imaging solutions, announced today two new portable 4K UHD broadcast lenses for use with broadcast cameras featuring 2/3-inch sensors: the <a href="https://www.usa.canon.com/internet/portal/us/home/explore/professional-video-solutions/broadcast-lenses?cm_sp=pvs-_-hp-_-bctv-lenses" target="blank">Canon CJ45ex9.7B 4K UHD Portable Zoom Lens</a> provides users with the highest zoom ratio in its class, and the <a href="https://www.usa.canon.com/internet/portal/us/home/explore/professional-video-solutions/broadcast-lenses?cm_sp=pvs-_-hp-_-bctv-lenses" target="blank">Canon CJ45ex13.6B 4K UHD Portable Zoom Lens</a> features both the highest zoom ratio and longest focal length in its class.</p>
<p>The Canon CJ45ex9.7B and CJ45ex13.6B lenses both feature a broad 45x zoom ratio and wide-angle focal length of 9.7 mm to 437 mm and 13.6 mm to 612 mm, respectively. Both telephoto zoom lenses are ideal pieces of equipment for Electronic Field Production (EFP) broadcast applications including wildlife/nature, sports, live events, documentaries, and helicopter/aerial. Additionally, both lenses are well suited for mid-size broadcast vans and surveillance applications.</p>

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<p>“As the demand for more 4K UHD broadcasting continues to grow, Canon is constantly developing high-quality products to provide producers and broadcasters with outstanding optical performance,”said Yuichi Ishizuka, president and COO, Canon U.S.A. “The CJ45ex9.7B and CJ45ex13.6B both support a variety of broadcast applications, enabling users to capture breathtaking 4K UHD image quality in a form factor that is both lightweight and compact.”</p>


<p><!--more--></p>
<p>The CJ45ex9.7B and CJ45ex13.6B both employ Canon proprietary optical design technology that features optimal lens positioning using both fluorite and Ultra-low Dispersion (UD) glass. The use of these lens elements enable users to capture high-quality 4K UHD imagery from the center of the imaging field to the periphery and across the entire zoom range, making them ideal for a variety of shooting situations—from close-up shots all the way to wide shots such as panoramic views of large venues.</p>
<p>The form factor and operational controls of the lenses will be very familiar to users who have previously operated one of Canon’s award-winning HD lenses. The lenses are designed to meet the demands of the on-the-go broadcast shooter where lightweight and compact are key advantages, comparable to HD super telephoto lenses. Both lenses feature three 20-pin connectors for zoom control, focus control and access to the virtual terminal, even in full servo setup with focus and zoom controllers connected. Futhermore, a 16-bit absolute value encoder in the digital drive unit helps eliminate the need for any initialization, enabling users to simply turn on the camera and begin shooting.</p>
<p><strong>Availability</strong></p>
<p>The CJ45ex9.7B 4K UHD Portable Zoom Lens is scheduled to be available in April 2018<sup>*</sup>, while the CJ45ex13.6B will be available in May 2018<sup>*</sup>. For full product specifications and more information on these lenses and the full-line of Canon 4K Broadcast Lenses please visit, <a href="https://www.usa.canon.com/internet/portal/us/home/explore/professional-video-solutions/broadcast-lenses?cm_sp=pvs-_-hp-_-bctv-lenses" target="blank"><b>https://www.usa.canon.com/bctv-lenses</b></a>.</p>
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No More New Photographic Gear From Canon in 2017 [CR3]

HTML:
<p>Earlier this <a href="http://www.canonrumors.com/new-unreleased-canon-gear-has-appeared-for-certification/">week we posted new Canon gear that had appeared for overseas certification</a>, this lead to some speculation that we’d be seeing more new cameras and lenses in 2017.</p>
<p>I have confirmed that this is not the case. There will however be a lot of gear coming in early 2018 for CES in January and CP+ in February.</p>


<p>We’re still trying to nail down without a shadow of a doubt what the new lenses and flash will be. We were told that the new flash was scheduled to be released in 2017, but ended up being pushed into 2018.</p>
<p>I don’t want to speculate on the two new lenses, so I’ll let you know what they are as soon as I can [CR3] them.</p>
<p><em>More to come…</em></p>
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LR article about Sony water resistance

Interesting read as usually.
https://www.lensrentals.com/blog/2017/10/about-getting-your-camera-wet-teardown-of-a-salty-sony-a7sii/

"This is an easy water access because the foam seal doesn’t go all the way around the door (it stops where the forceps are pointing)."

"But this ‘weather resistant’ camera has absolutely no weather resistance on the bottom."

Q/A on Disqus:
Q: Lets come at this from a different angle. Which high rental cameras have you NOT, seen water damage from? I have heard of people washing salt water off their Canon 1DX with a hose. How do the top of line Canons and Nikons hold up?

A - Roger: I don't remember seeing a D5 or 1Dx with obvious salt-water damage, but we rent far fewer of those, and I expect the rentals tend to be to more experienced photographers.

New Unreleased Canon Gear Has Appeared for Certification

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Nokishita has posted an updated list of unreleased Canon that has appeared at a certification authority. Some of these items also appeared <a href="http://www.canonrumors.com/new-canon-cameras-up-for-certification/">back in September</a>.</p>
<p><strong>Canon</strong></p>


<ul>
<li><strong><a href="http://www.nokishita-camera.com/2017/08/eos-kiss-x80.html" target="_blank" rel="noopener">DS 126701 (Rebel 1400D/Kiss X90?)</a></strong>
<ul>
<li>Single-lens reflex camera</li>
<li>SKU: 3011C001AA, 3011C002AA, 3011C003AA</li>
<li>Made in Taiwan</li>
<li>Wi-Fi installed (Bluetooth not installed)</li>
<li>Size: W129.0 mm × H 101.6 mm × D 77.1 mm</li>
</ul>
</li>
<li><strong>DS 126741</strong>
<ul>
<li>Single-lens reflex camera</li>
<li>Wi-Fi installed (Bluetooth not installed)</li>
</ul>
</li>
<li><strong>PC 2328</strong>
<ul>
<li>Digital camera</li>
<li>Wi-Fi · Bluetooth installed</li>
<li>New wireless module installed ( <a href="https://nccmember.ncc.gov.tw/Application/FUN/FUN016_JPG.aspx?fileid=GsYYLexzqeg%3d" target="_blank" rel="noopener">WM 600</a> )</li>
</ul>
</li>
<li><strong>Interchangeable Lens 1</strong>
<ul>
<li>SKU: 2309C005AA</li>
<li>made in Japan</li>
</ul>
</li>
<li><strong>Interchangeable Lens 2</strong>
<ul>
<li>SKU: 2439C005AA</li>
<li>made in Japan?</li>
</ul>
</li>
<li><strong>DS 401141</strong>
<ul>
<li>Electronic flash</li>
<li>SKU: 1757C003</li>
</ul>
</li>
</ul>
<p>We’re still working to figure out what the rest of the products on this list area.</p>
<p><em>More to come…</em></p>
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Flap on 5D IV near battery compartment

Hi all
I was wondering why there is a rubber flap next to the battery compartment in the 5DIV. It doesn't seem to serve any good purpose. On my one I'm finding it open from time to time which is a real weather sealing concern. With the flap open water would get into the battery. It looks very poorly designed.
The 7DII gas it too but it's never opened on me.

Preproduction Canon PowerShot G1 X Mark III Sample Gallery

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DPReview has posted a sample gallery of images taken with a preproduction version of the Canon PowerShot G1 X Mark III. DPReview <a href="https://www.dpreview.com/articles/8512175252/hands-on-with-new-canon-powershot-g1-x-mark-iii">also posted a series of hands-on images</a> last week while at PhotoPlus EXPO.</p>
<p class="fs16 OpenSans-600-normal upper product-highlights-header"><strong>Key Canon PowerShot G1 X Mark III Specifications</strong></p>


<ul class="top-section-list" data-selenium="highlightList">
<li class="top-section-list-item">24.2MP APS-C CMOS Sensor</li>
<li class="top-section-list-item">DIGIC 7 Image Processor</li>
<li class="top-section-list-item">3x Zoom Lens, 24-72mm (35mm Equivalent)</li>
<li class="top-section-list-item">Built-In Electronic Viewfinder</li>
<li class="top-section-list-item">3.0″ Vari-Angle Touchscreen LCD</li>
<li class="top-section-list-item">Full HD 1080p Video Recording at 60 fps</li>
<li class="top-section-list-item">Dual Pixel CMOS AF, Image Stabilizer</li>
<li class="top-section-list-item">ISO 25600, 9 fps Continuous Shooting</li>
<li class="top-section-list-item">Built-In Wi-Fi with NFC, Bluetooth</li>
<li class="top-section-list-item">Dust- and Water-Resistant Construction</li>
</ul>
<p><strong><a href="https://www.dpreview.com/samples/9587762148/canon-g1-x-mark-iii-pre-production-sample-gallery">View the gallery at DPReview</a></strong></p>
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Optical slave for Vivitar 283 and Canon 580EX?

I am looking for a hotshoe optical slave trigger primarily for a Vivitar 283 UV mod with trigger voltage of ~280V, but would also like the option to use on my Canon 580EX or the MT24/26 with ~6V trigger voltage. Not sure trigger voltage matters with optical slaves.

Wein slaves get very uneven reviews (many do not seem to work out of box), not sure what else is out there. Any recommendations?
I just ordered the Wein Save-sync to connect the Vivitar via PC cable to Canon dSLR, but also want a no-cable option.

Small Eos 5D IV comparison to Nikon, Sony, Fuji...

Found at: http://www.imaging-resource.com/PRODS/sony-a7r-iii/sony-a7r-iiiA.HTM#comparison

"The main outlier here is the 5D Mark IV, which due to its optical low pass filter shows considerably less fine detail than the other three cameras in this test. From a pure sharpness point of view, all three of the other cameras outperform the 5D Mark IV"

A7RIII: " ...but right now it looks like it is capable of quite a bit, and possibly earning the place of the most versatile full frame camera on the market. "

Where ist the 5DSR MKII?

Remark: interestingly, this site shares the same pictures like DPReview... They did the comparison on the same event....

More G Series PowerShot Cameras Coming for CES in January [CR2]

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We’re told at least 3 new PowerShot cameras are scheduled to be announced for CES in January, at least two of which will be a “G” series compact. If we had to take an educated guess, we think the G3 X will see a replacement close to the G1 X Mark III, but without the EVF and the G5 X will be a smaller sensor G1 X Mark III.</p>
<p>We have moved the <a href="http://www.canonrumors.com/buyers-guide-category/powershot/">PowerShot G3 X to “Don’t Buy” in the Buyers Guide</a>.</p>


<p>We do not think the PowerShot G7 X Mark II will be replaced at CES and will likely come later at CP+. We don’t have the sales numbers, but the PowerShot G7 line seems to be the most popular of the “G” series cameras.</p>
<p>We still do not know if a new superzoom is coming, I get asked about an SX70 HS almost weekly, and sadly I have nothing to report on that front.</p>
<p><em>More to come…</em></p>
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Patent: Another Related to Curved Sensors

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Northlight Images has uncovered another Canon patent relating to curved sensors.</p>
<p><strong>Japanese patent application 2017-084874:</strong></p>
<blockquote><p>Generating of a gap of the focal position by a curvature of field, etc. are prevented, and the present invention inhibits the voltage change of the imaging signal which occurs because the impedance of each bump differs, and an object of the present invention is to provide a reliable solid state imaging device which can prevent degradation of image quality, and a manufacturing method for the same.</p>

</blockquote>
<p><strong>Northlight Summarizes:</strong></p>
<blockquote><p>One of the difficulties is evening out the stresses caused by connecting the curved sensor to a flat substrate, as well as the variation in electrical properties.</p></blockquote>
<p>So while the ideas keep coming, it doesn’t necessarily mean it will end up in a consumer product.</p>
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Review: Canon XF405 by cinema5D

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Johnnie over at cinema5D has completed his review of the brand new XF405, the version he reviewed is considered “pre-production”.</p>
<p><strong>From cinema5D:</strong></p>
<blockquote><p>The Canon XF405 camera has a compact and portable design. The absence of a C-LOG picture profile, ISO settings (dB marking only), and “creative” aspect ratio markers can indicate that this camera was designed to catch the attention of news crews on a budget or independent documentary filmmakers. This camera doesn’t pretend to be something that it is not, and that’s perfectly fine! With proven autofocus capabilities, ease of use, a good lens and those pleasant Canon skin tones, the XF405/XF400/LEGRIA GX10 might appeal to those who are on the run (&gun) but looking for the extra touch when attempting to harness the aid of a large-sensor aesthetic look into their creative productions. <a href="https://www.cinema5d.com/canon-xf405-review-sample-footage-and-first-impressions/">Read the full review</a></p>

</blockquote>
<p>You can <strong><a href="https://bhpho.to/2xxiy3W">preorder the Canon XF405 at B&H Photo</a></strong> and it should begin shipping sometime in November.</p>
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Tamron Announces the 100-400mm f/4.5-6.3 Di VC USD, Available November 16

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<p>Tamron has officially announced the 100-400mm f/4.5-6.3 Di VC USD. The new lens will begin shipping on November 16, 2017.</p>
<p>You can preorder the new <a href="https://bhpho.to/2i7gsxu">Tamron 100-400mm f/4.5-6.3 Di VC USD at B&H Photo for $799.</a></p>
<p><strong>Press Release:</strong></p>
<blockquote><p><strong>Tamron announces the launch of a new ultra-telephoto zoom lens with fast and precise AF, superior image quality and a lightweight, compact design</strong></p>
<p><strong><em>October 26, 2017, Commack, New York</em></strong>— Tamron USA, Inc. , announces the launch of a new ultra-telephoto zoom lens, 100-400mm F/4.5-6.3 Di VC USD (Model A035), for full-frame Canon and Nikon DSLR cameras. The Model A035 delivers fast and precise AF performance and consistently powerful VC (Vibration Compensation) 4 stops*<sup>1 </sup>benefits thanks to the high-speed Dual MPU (Micro-Processing Unit) control system that is found in the latest Tamron lens models. The advanced optical design of Model A035 includes three LD (Low Dispersion) lens elements for aberration reduction and Tamron’s original eBAND Coating for superior anti-reflection performance. At 1,115g (39.3 oz), the new lens is the lightest in its class<sup>*2</sup> and features magnesium alloy in key areas of the lens barrel to ensure weight reduction, and improve strength and portability. Model A035 is compatible with Tamron’s 1.4X tele converter and the Tamron TAP-in Console<sup>TM </sup>that enables lens customizations for focus adjustments, VC mechanism adjustments and more. Additionally, an Arca Swiss compatible tripod mount is available as an optional accessory. The new Tamron 100-400mm will be available in both Canon and Nikon mounts on November 16<sup>th</sup> at $799.</p></blockquote>
<p><!--more--></p>
<blockquote><p><strong>PRODUCT HIGHLIGHTS</strong></p>
<p><strong>1. High-speed Dual MPU (Micro-Processing Unit) control system delivers quick and highly responsive autofocus performance plus outstanding VC image stabilization</strong></p>
<p>The Dual MPU system includes an MPU dedicated to vibration compensation processing, enhancing the computational capacity of the entire system. An MPU with built-in DSP (Digital Signal Processor) provides high-speed digital signal processing and achieves outstanding autofocus performance and vibration compensation, both indispensable for ultra-telephoto photography.</p>
<p><strong>2. Superb image quality in an ultra-telephoto zoom lens</strong></p>
<p>The Model A035 includes three LD (Low Dispersion) lens elements for optimal optical design and aberration correction. Lighter weight, increased light transmission and crisp images with excellent contrast are achieved by reducing the number of lens elements while ensuring an appropriate balance with aberration correction. The A035 has minimum object distance (MOD) of 1.5 m (59 in) and a maximum magnification ratio of 1:3.6 for close-up work.</p>
<p><strong>3. Exclusive eBAND Coating reduces flare and ghosting</strong></p>
<p>The new A035 features Tamron’s eBAND (Extended Bandwidth & Angular-Dependency) Coating, which has an extremely low refractive index and fine multiple-layer coating technology, to achieve outstanding antireflection performance. BBAR (Broad-Band Anti-Reflection) Coating, with excellent antireflection characteristics, increases light transmission. These coating technologies greatly reduce the ghosting and flare that can occur when subjects are backlit.</p>
<p><strong>4. Lightest weight, 1,115 g (39.3 oz) lens in the ultra-telephoto zoom lens class<sup>*</sup>, and only 196.5 mm </strong><strong>(7.7 in) long</strong></p>
<p>Magnesium alloy is used in key areas of the lens barrel to improve weight reduction, strength and portability. Total length of 196.5 mm (Nikon mount) means a compact size for an ultra-telephoto zoom lens covering up to 400 mm, and the A035 can therefore be easily carried in a standard camera bag. Combined with excellent vibration compensation functions, the compact size enables successful handheld ultra-telephoto photography.</p>
<p><span class="green">*Length is the distance from the front tip of the lens to the lens mount face.</span></p>
<p><strong>5. Optional accessory tripod mount is Arca-Swiss compatible</strong></p>
<p>An Arca-Swiss style tripod mount is available as an optional accessory. Designed exclusively for Model A035, it provides quick and secure attachment to a tripod and greater stability. An easy-to-hold grip shape includes an expanded mounting plane, and the use of magnesium helps achieve lighter weight, thereby further facilitating handheld photography.</p>
<p><strong>6. Compatible with tele converters and TAP-in Console</strong></p>
<p>Model A035 is compatible with tele converters designed exclusively for Tamron lenses to achieve 1.4X and 2X the original focal length*. It’s also compatible with Tamron’s TAP-in Console (Model TAP-01), an optional accessory enabling users to update lens firmware and customize the lens settings, including adjustments of focusing positions for autofocusing and the operation modes for the lens’s Vibration Compensation system.</p>
<p><span class="green">*Use of the 1.4× tele converter results in light reduction of 1 F stop; use of the 2× tele converter results in the loss of 2 F stops</span></p>
<p><strong>7. Moisture-Resistant construction and fluorine coating for enhanced weather protection</strong></p>
<p>The surface of the front element is coated with a protective fluorine compound that has excellent water- and oil-repellant qualities. The front surface is easier to wipe clean and is less vulnerable to the damaging effects of dirt, dust, moisture or oily fingerprints, allowing for much easier maintenance. Also, with active use of the A035 for outdoor photography likely, sealant is used in each of the movable and joining areas of the lens barrel to resist the intrusion of moisture.</p>
<p><strong>8. Electromagnetic diaphragm system now used also for Nikon-mount lenses</strong></p>
<p>An electromagnetic diaphragm system, which has been a standard feature for Canon-mount lenses, is now employed in Nikon-mount lenses*. More precise diaphragm and aperture control is possible because the diaphragm blades are driven and controlled by a built-in motor through electronic pulse signals.</p>

<p><span class="green">* Available only with cameras compatible with the electromagnetic diaphragm (D5, D4s, D4, D3X, Df, D850,D810, D810A, D800, D800E, D750, D600, D610, D300S, D500, D7500, D7200, D7100, D7000, D5600, D5500, D5300, D5200, D5100, D5000, D3400, D3300, D3200, D3100). (As of October, 2017; Tamron)</span></p>
<p><strong>9. External design places importance on functionality and ease of use</strong></p>
<p>While inheriting the design that makes use of many organic curves and the delicately polished form down to fine details that characterize the SP lens series, the new Model A035 comes with a highly sophisticated design that also places a lot of importance on the lens’s functionality and ease of use, featuring an overall form that faithfully encompasses the internal structures within, a slim Luminous Gold brand ring and the switch shape design.</p>
<p><strong>SPECIFICATIONS</strong></p>
<table width="461">
<tbody>
<tr>
<td width="170">Model</td>
<td width="291">: A035</td>
</tr>
<tr>
<td width="170">Focal Length</td>
<td width="291">: 100-400mm</td>
</tr>
<tr>
<td width="170">Maximum Aperture</td>
<td width="291">: F/4.5-6.3</td>
</tr>
<tr>
<td width="170">Angle of View (diagonal)</td>
<td width="291">: 24°24′ – 6°12‘ (for full-frame format)</td>
</tr>
<tr>
<td width="291">: 15°54′ – 4°01‘ (for APS-C format)</td>
</tr>
<tr>
<td width="170">Optical Construction</td>
<td width="291">: 17 elements in 11 groups</td>
</tr>
<tr>
<td width="170">Minimum Object Distance</td>
<td width="291">: 1.5m ( 59 in)</td>
</tr>
<tr>
<td width="170">Maximum Magnification Ratio</td>
<td width="291">: 1:3.6</td>
</tr>
<tr>
<td width="170">Filter Size</td>
<td width="291">: φ67mm</td>
</tr>
<tr>
<td width="170">Maximum Diameter</td>
<td width="291">: φ86.2mm</td>
</tr>
<tr>
<td width="170">Length**</td>
<td width="291">: for Canon 199mm (7.8 in)</td>
</tr>
<tr>
<td width="291">: for Nikon 196.5mm (7.7 in)</td>
</tr>
<tr>
<td width="170">Weight</td>
<td width="291">: for Canon 1,135g (40 oz)</td>
</tr>
<tr>
<td width="291">: for Nikon 1,115g (39.3 oz)</td>
</tr>
<tr>
<td width="170">Aperture Blades</td>
<td width="291">: 9 (circular diaphragm)</td>
</tr>
<tr>
<td width="170">Minimum Aperture</td>
<td width="291">: F/32-45</td>
</tr>
<tr>
<td width="170">Image Stabilization Performance</td>
<td width="291">: 4 stops (CIPA Standards Compliant)</p>
<p>(For Canon : EOS 5DMarkIII is used / For Nikon: D810 is used)</td>
</tr>
<tr>
<td width="170">Standard Accessories</td>
<td width="291">: Lens hood, Lens caps</td>
</tr>
<tr>
<td width="170">Optional Accessories</td>
<td width="291">: Tripod mount, Teleconverter (1.4x, 2.0x), TAP-in Console<sup>TM</sup></td>
</tr>
<tr>
<td width="170">Compatible Mounts</td>
<td width="291">: Canon, Nikon</td>
</tr>
</tbody>
</table>
</blockquote>

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<p>You can read the press release and get the full specifications <a href="https://www.tamron.co.jp/news/press_release/20171026.html">at Tamron.co.jp.</a></p>
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Sigma 85 not compatible with 5D4

I have the previous (non Art) version of the Sigma 85 f1.4. It worked fine with my 5D2 and 5D3. I just tried out my new 5D4 and discovered a horrific artifact when the lens is used at 1.4 or 1.6 or 1.8. It creates these huge dark circles, like the Target store logo (in gray instead of red). At f2 and smaller it goes away.

Since it is a non-Canon lens (and does not have the USB connection of the newer lenses) I assume there is no fix? Has anyone experienced it with this or other Sigma lenses? If there is a fix I would love to know. However I have learned my lesson about third party lenses and will only use Canon lenses from now on. (My other three lenses are Canon L).

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Canon Inc. Releases Q3 Results for 2017

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<em> Operating Results and Financial Conditions</em></p>
<p><strong>2017 Third Quarter in Review

</strong>Looking back at the global economy in the third quarter of 2017, the U.S. economy continued to grow steadily as employment conditions continued to improve and consumer spending was stable. In Europe, unemployment rate decreased and capital investment showed signs of recovery mainly in such developed countries as Germany. The Chinese economy rallied due to public investments and the economies of emerging countries continued to realize moderate growth due to strong exports. In Japan, corporate earnings improved and consumer spending showed signs of recovery. As a result, the global economy overall continued to realize moderate growth……..</p>
<p><!--more--></p>
<p><strong>Results by Segment:

</strong>Within the Imaging System Business Unit, although sales volume of interchangeable-lens digital cameras declined compared with the previous year, owing to the shrinking market, unit sales of such newly launched models as EOS 6D Mark II enjoyed solid demand, allowing Canon to maintain the top share in the U.S., Japan, and major countries in Europe. As for digital compact cameras, sales of high-value-added models enjoyed solid demand; supported by healthy demand for the newly launched G9 X Mark II, part of the high-image-quality PowerShot G-series lineup, leading to an increase in unit sales from the same period of the previous year…….</p>


<p><strong>Outlook

</strong>As for the outlook in the fourth quarter, the U.S. economy is expected to continue to recover as employment conditions and corporate earnings steadily improve. The European economy is expected to recover slowly due to increasing uncertainty surrounding the U.K.’s decision to leave the EU. Looking at China, the economy is expected to stabilize through changes in fiscal policy, while emerging economies, such as those of Southeast Asia, Russia and Brazil, are expected to recover along with the rising price of natural resources. With regard to the Japanese economy, the outlook indicates a trend of gradual recovery supported by improved employment conditions. Overall, the pace of recovery of the global economy is expected to grow stronger, despite such concerns as increasing geopolitical risks….</p>
<p><strong><a href="http://www.canon.com/ir/results/2017/rslt2017q3e.pdf">Read the full reports from Canon Inc (PDF)</a></strong></p>
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