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Messages - mrsfotografie

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91
Lenses / Re: A New Pancake Lens? [CR1]
« on: August 27, 2014, 11:43:32 AM »
My 6D is a mirrorless killer with the 40STM!  Mirrorless killer as long as we aren't including the A7 series! 

Really?

92
Third Party Manufacturers / Re: Samyang Teases New Lenses
« on: August 27, 2014, 10:14:02 AM »
There is no such thing as a "macro" if its below 1:1 ;)   Shame on Zeiss.

1:1 ratio is a subjective value. You get more magnification with 1:1 macro on crop, than with 1:1 macro on FF.
Something like A7R (36mp sensor) allows you to crop a lot and get the same magnification of a 16mp crop sensor. So, technically, 1:2 macro on 20mp crop provides similar magnification to 1:1 macro on 12mp FF.

1:1 has nothing to do with megapixels; it is entirely governed by optics and means the physical size of the projected image equals that of the subject, ie a 1cm tall object results in a 1cm tall projected image.

Due to the cropping factor of an aps-c sensor though, you are effectively blowing up the projected image. So this means that for a crop factor of 1.5, a 50 mm lens will become 75 mm equivalent, and at 1:2 magnification becomes 3/4 magnification.

93
Lenses / Re: A New Pancake Lens? [CR1]
« on: August 26, 2014, 02:05:31 AM »
Mostly, just compare a 60D w 35mm f/2 IS vs an SL1 with 40mm f/2.8. It's a BIG difference in size: http://camerasize.com/compact/#100.368,448.345,ha,t

Thanks, I bookmarked that site, very handy!

Yeah, I've used that site a few times.  It makes we want mirrorless less and it makes me want smaller lenses more.   :D

- A

Actually, I don't like my lenses to become too short (pancakes) because it deducts from good handling. A lens that has a little more length to it allows me to stabilize my camera with my left hand. This is one reason why I sold my 40mm Voightlander. The minimum size of lens I like to use on my 5D's is the 35mm f/2 and 50 mm f/1.8 MkI.

94
EOS-M / Re: Finally a 50mm for EOS-M...
« on: August 25, 2014, 03:37:10 PM »
Confirmed for EOS-M mount.  http://www.cinema5d.com/samyang-50mm-t15-announced/

It is not really a compact 50mm.  The EF-M version would be the same as buying the EF version and using Canon's adapter.  The lens was designed for full frame sensors and flange distances.  The weight of the EF and EF-M versions are the same and the EF-M version is 26mm longer than the EF version (basically has a built-in EF-M adapter).  Lenses sized for the M are less than half the weight and much shorter.

That's right. They have more such lenses with a built in adapter. I would then rather buy them in EF mount and use a separate adapter to make them fit the mirrorless so they have better cross-platform compatibility and quite possibly better hold their resale value too.

95
Lenses / Re: A New Pancake Lens? [CR1]
« on: August 25, 2014, 12:56:53 PM »
Mostly, just compare a 60D w 35mm f/2 IS vs an SL1 with 40mm f/2.8. It's a BIG difference in size: http://camerasize.com/compact/#100.368,448.345,ha,t

Thanks, I bookmarked that site, very handy!

96
5D MK III Sample Images / Re: 5D MK III Images
« on: August 25, 2014, 11:57:59 AM »
The AF in this thing rocks!

97
Photography Technique / Re: Is RAW worth it?
« on: August 25, 2014, 11:56:09 AM »
I look back at some of my very first photos with the 40D and wished they were in raw.  Didn't even have software back then.  Now all bodies are set for raw.  Even the lowly G10.

Thankfully I went to RAW on my 40D almost straight away. Good thing I listened to the colleague who inspired me to take up photography.

98
EOS-M / Re: Finally a 50mm for EOS-M...
« on: August 25, 2014, 11:47:44 AM »
Boom!
http://www.samyang-europe.com/index.php/new-products/102-new-samyang-50-mm-t1-5-as-umc

Tasty 50mm f/1.4... I love their current styling! Unfortunately my 14mm is still the old style (but good optics, so really a non-issue).




99
Photography Technique / Re: Is RAW worth it?
« on: August 25, 2014, 05:29:05 AM »
What about lossy DNG, anyone? Any issues> I'm using these (in Lightroom) to reduce the resolution I get from my Sony ARW's to ~10.5 megapixels. The dng's become surprisingly small, and it looks like I can still do all the corrections I want?

In case you wonder, I also shoot MRAW with the 5D3 unless I absolutely require the higher resolution. Almost all of my stuff is for monitor use or small print only (and I've printed 120x80cm canvas without problems).

Why not shoot full RAW and down-res in post? What happens when you capture that magic moment and your client wants it for a national campaign? You may as well have skipped on the 5D3 and bought a cheap APS-C.

As a neat analogy, all my video work now is shot on the astounding Panasonic GH4. Everything is shot in 4k but published in 1080p. Video shot in 4k and down-ressed to 1080p is orders of magnitude better than shooting in 1080p. There is plenty of documentation to unequivocally verify this.  And there is also the flexibility to make global changes in post. Same with a full size RAW/DNG even if you're publishing for web or small print.

With my stills work, I do use lossy DNG occasionally, but only for storage considerations. For a job where I've shot very heavily and choose to keep a large number of images, I'll process my master files from a full size RAW/DNG. Hero images will be kept as full-size DNG, and the rest are crunched down into lossy DNG's but only for storage and only after the job has been delivered and signed off.

-pw

There's a lot more to the 5D3 than just resolution ;)

I don't shoot commercially. Like I said, 10 megapixels is sufficient for me.

100
Photography Technique / Re: Is RAW worth it?
« on: August 25, 2014, 02:26:29 AM »
What about lossy DNG, anyone? Any issues> I'm using these (in Lightroom) to reduce the resolution I get from my Sony ARW's to ~10.5 megapixels. The dng's become surprisingly small, and it looks like I can still do all the corrections I want?

In case you wonder, I also shoot MRAW with the 5D3 unless I absolutely require the higher resolution. Almost all of my stuff is for monitor use or small print only (and I've printed 120x80cm canvas without problems).

101
Lenses / Re: A New Pancake Lens? [CR1]
« on: August 24, 2014, 07:07:01 AM »
...70-100mm, especially a close-focusing one so it'd double as a portable macro.

I know you didn't mean it that way, but that reminded me of the 'pancake zoom'.

http://www.olympus-global.com/en/news/2014a/nr140129zuikoede.jsp

http://store.sony.com/e-pz-16-50mm-f3.5-5.6-oss-e-mount-power-zoom-lens-zid27-SELP1650/cat-27-catid-All-Alpha-NEX-Lenses

102
haven't seen a camera yet that didn't have, or eventually develop, some hot pixels.
That's what dark frame subtraction's for, even the in-camera process is usable for most shots.

At least SOME mfrs, NOT Canon, NOT Nikon, allow you to map out bad pixels right from the camera menu.

Not true, doing a 'sensor clean' with the cap on for a minute or so allows the camera to remap the sensor, and gone are all the hot pixels  8)

That is indeed a great and easy way to do it! Did that last winter - it was so easy I thought someone was just trying to pull our legs with that tip.
It's not as official as an actual menu-item so can someone describe the method in more detail and I'll test it out.
I have a Rebel that developed a bunch of hot pixels as I was shooting studio shots with it over a matter of minutes.  So I can test that out.

With the lenscap on the lens, go to the camera menu and select 'manual cleaning'. The mirror will flip up and the camera black out. Leave it for a minute, then switch off the camera to complete the 'cleaning'. You can do this with any lens on the camera, no need to use the body cap.

103
Lenses / Re: A New Pancake Lens? [CR1]
« on: August 24, 2014, 05:18:43 AM »
this thread brought me to finding these two lenses

especially the 28mm pancake looks so sweet and I bet it exactly fit my travel bag  ;D

You do realize these are MF (with confirmation) only?

yes I do, but I think MF should be fine for travel landscape  ;)

For that, these primes are excellent. I shot this panorama with the Voightlander 40mm at f/5.6 (7 frames combined). Mind, I sold the 40 mm after a year or two because I found I wasn't using it much, and for a walkaround the MF was inconvenient, and the 40mm focal length uninspiring.

104
Lenses / Re: A New Pancake Lens? [CR1]
« on: August 23, 2014, 04:40:21 PM »
this thread brought me to finding these two lenses

especially the 28mm pancake looks so sweet and I bet it exactly fit my travel bag  ;D

You do realize these are MF (with confirmation) only?

105
haven't seen a camera yet that didn't have, or eventually develop, some hot pixels.
That's what dark frame subtraction's for, even the in-camera process is usable for most shots.

At least SOME mfrs, NOT Canon, NOT Nikon, allow you to map out bad pixels right from the camera menu.

Not true, doing a 'sensor clean' with the cap on for a minute or so allows the camera to remap the sensor, and gone are all the hot pixels  8)

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