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Messages - funkboy

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Lenses / Re: Voigtlander Ultron 40mm f/2.0 SL-II
« on: April 11, 2012, 06:26:49 PM »
Photozone has a nice review of it on the 5DII.  I've got the 20mm Color Skopar on my 40D as my "35" & love it to pieces.

You could also read EdMika's article on the adapters he makes WRT adding chips to lenses like the aforementioned Samyang 35 f/1.4.

Just bear in mind that even with an AF-confirm chip, a lens like the Samyang or something else adapted from another system (like my C/Y mount Zeiss 35mm f/1.4 Distagon) requires you to stop-down meter after focusing, whereas Zeiss ZE & Voigt native-EOS mount lenses have fully-electronic aperture control in 1/3-stop increments.

Lenses / Re: What is the most EXOTIC Canon lens?
« on: April 11, 2012, 06:09:16 PM »
Well, in terms of lenses that I'd actually like to be able to own & use, it would be the S-mount 50mm f/0.95.  I'd be all over one of those things adapted to a Fuji X-Pro 1.

EOS Bodies / Re: Anyone shooting film?
« on: April 06, 2012, 03:31:36 AM »
If you have some good canon glass, why not pick up an inexpensive film body?

Exactly my thinking when I got an EOS 1n from the used section of B&H for peanuts when I first got serious about getting good glass.  I changed the viewfinder screen for the spit-prism for manual focus.  Brilliant viewfinder.

But my favorite film camera (for its handling, metering, & drive) was my T90.

Lenses / Re: Your Most Used Lens!
« on: April 06, 2012, 03:24:40 AM »
Right now, it's the 28-112 f/2.0-2.8 on my Fuji X10!

It's small & lives in my bag all the time, images & moves are great even in low light, & it's a pleasure to use.

And yes, the menu interface is a royal pain & the battery life sucks :-).

EOS Bodies / Re: Canon 7Dmk2 any rumors??
« on: April 02, 2012, 08:09:10 PM »
What's to say they won't just do away with the xxxxD line?

  • the competition
  • having an EOS product in every price bracket
  • popularity of current camera

EOS Bodies / Re: Canon 7Dmk2 any rumors??
« on: April 02, 2012, 04:19:02 PM »
Above 800 ISO, you get extremely noisy images even after I dial in +1.5-2.0EV on my T2i. This is very disappointing as most of the fine shots I can see happen during early hours or near twilight.

Up to the max "native" iso on your camera, you're better off just setting the iso to the exposure you need rather than messing with the compensation.  Now, you certainly want to expose to the right, but unless you're in pretty dark conditions this usually won't be more than a stop or so, and certainly depends a whole lot on the scene.

But all other things being equal, as long as you're within the "native" iso range of your camera (not using "expansion" settings) the camera does some processing optimized for that particular gain setting.  Compensation is best used to get the exposure "right" for a given iso, aperture, & shutter speed, rather than an alternative to using a higher or lower iso setting.

Lenses / Re: What lens are you patiently waiting for?
« on: March 31, 2012, 03:10:56 AM »
the patented 35mm f/2.0 IS

I think I'd buy two of those, because the GF would want one superglued to the front of her camera <grin>

Lenses / Re: What lens are you patiently waiting for?
« on: March 31, 2012, 03:06:24 AM »
EF 14-24 2.8L
+10 count me in! i don't really want this for myself, but hope you guys get what you want ;)
+11 ... sounds awesome ... whatever it is
+12. Not really interested. I just want to see how far we can go before the internet breaks.
It's like a crazy mat job!
+13 When it's gets to +20 I'm going to take a picture
+14 Actually this is probably not the best way that Canon should be gaining market info from  ;D
+14.5 She can't take it!  She's breaking up!
+15 or I'm buying the Nikon one + the 16-9 converter!
+16 I would rather this than a new body.
+17 I have never hoped that Canon reps read this board as much as I do right now.
+18 On a 7D - fantastic  ;)
+19 What lens were we talkin' bout again?

Lenses / Re: What lens are you patiently waiting for?
« on: March 29, 2012, 04:38:51 AM »
ANY prime f/2 or faster with IS.  & at this point it's been so long that I mean any, from 14mm to 135mm, would make me happy.  These new f/2.8 wides are a step in the right direction & certainly the first non-macro non-L primes we've seen from Canon since 1995, but even Canon acknowledged that their primary purpose was as compact video lenses.  I've already got a 24-105 f/4L IS, why would I drop 90% of what I paid for it on a prime in the same focal length that's only one stop faster?

Lenses / Re: Looking for advice
« on: March 22, 2012, 09:49:28 PM »
awesome bracketed shot :-)

EOS Bodies / Re: Canon 7Dmk2 any rumors??
« on: March 19, 2012, 12:22:38 PM »
I dont think wedding togs would like that at all.

Consider me smoten :-)

EOS Bodies / Re: Canon 7Dmk2 any rumors??
« on: March 19, 2012, 11:31:16 AM »
1. 7D is hardly a wedding grade camera
Uhm, I didn't say anything about the 7D & weddings; I was talking about the X-Pro 1:

Right now, the X-Pro 1 is the smallest, least expensive, and sexiest camera with wedding-photographer grade image quality, and Fuji still has plenty of other tricks up their sleeves to roll out over the next year or so.
I certainly wouldn't use it as my only camera, but with the 3 lenses they're shipping at release I think most professionals would be perfectly comfortable shooting a wedding with the X-pro 1 and 18/35/60mm trio (and maybe an adapted Nokton for posed portraits).  I'd want another body like a 5D with an ultrawide on it and maybe a zoom in the bag just in case, but that would pretty much do it for me.

2. There isn't the range of lens to shoot a wedding.  Fujifilm will be a bit player for some time
AF lens options will be limited for another year or so perhaps...  You can be sure that there are a lot of wedding/artistic/street/travel shooters out there without the dosh for a digital Leica M that own M glass that are looking very keenly at moving up to the X-pro 1.  The best adapted mirrorless options up 'till now (pana, oly, sony, ricoh, etc.) have been OK but none of them feel or handle like a rangefinder like the Fuji does, and the image quality speaks for itsself.  The fact that Fuji's AF lenses cost half as much as their Canon L or Sony/Zeiss counterparts will certainly push adoption as well.

EOS Bodies / Re: Canon 7Dmk2 any rumors??
« on: March 19, 2012, 05:58:45 AM »
Nobody ( here on this thread ) has taken into consideration the Nikon D300S replacement.

Not since the first page anyway... :-)

But you're right.  The 7D (& the forking of the "prosumer" lineup to 7D & 60D) was basically Canon's response to the Nikon D300 (the 60D could be seen as a response to the D90) & the demand for a more professional crop camera.  In a way, ever since the D3 and D300 came out Nikon has been calling the shots on what the market segments should look like, & it's been up to Canon to try to beat them at their own game.  It certainly took a while for them to react but I think that with the 5DII and 7D they were pretty much there, & they'll certainly continue that strategy for quite a while longer.  The industry is just on the tail end of the recovery from Fukushima, the banks breaking the economy, and the Thai floods; no one can afford a shakeup right now...

...Which is why they're both scared of Fujifilm.  Right now, the X-Pro 1 is the smallest, least expensive, and sexiest camera with wedding-photographer grade image quality, and Fuji still has plenty of other tricks up their sleeves to roll out over the next year or so.  I wouldn't be surprised at all if in a year's time we have a Fuji camera in the same size class and price bracket as the X10 with image quality as good as the current 7D.

Software & Accessories / Re: sRGB vs Adobe RGB
« on: March 18, 2012, 09:12:43 PM »
Agree completely with each of Mt. Spok's statements.  Read the color management guides at Northlight, and if you want to go further, read Real World Color Management by Bruce Fraser.  It's really the definitive guide for understanding digital color workflow.

Lightroom natively works in Prophoto RGB, and anything given to a print shop or output to a printer should be maintained in that color space (if the lab supports it of course).  If you have to downconvert to Adobe RGB or SRGB for a lab or the web then it's the last step that you want to take in your workflow.  Personally I find that the Relative Colormetric method with black point compensation works well for most photographic needs.

Personally I shoot with cameras set to Adobe RGB, but would love to see Prophoto RGB available as an option.  IIRC at least with the older Firewire 1D cameras you could actually load your own custom color profiles into them.  Also, the Adobe DNG converter tool has a camera profiling tool that opens up a lot of possibilities for customizing the way Lightroom handles the color of your images.  Keith at Northlight has a good article on how to use it & why it's useful.

To answer your question as to why you want to do use the widest color space available for your device, the answer is simply to allow it to record the widest range of colors possible.  Why would one want to work in Prophoto RGB when the images coming out of the camera are defined in AdobeRGB?  Because once you get the image into Lightroom you start shifting around things like exposure, white balance, and all the other controls that affect color.  Manipulating the data in the image can easily push its gamut outside the range of the original color space.  When that happens, clipping & loss of detail like the magenta roll of thread in this image are the result.  This article has another good example of an image with colors that don't clip in Prophoto but do in AdobeRGB & are even worse in SRGB.

Definitely looking forward to trying out LR4's soft proofing like Photoshop has.

It's worth pointing out that having a good monitor and calibration device (& knowing how to use them) are paramount to getting your color workflow close to doing what you want it to do.

EOS Bodies / Re: 5D MKIII ISO Test (Controlled Lighting - Studio)
« on: March 18, 2012, 12:04:45 PM »
First of all, thanks very much for posting this, stageshoot.  It looks like you've got a long way towards providing a controlled environment for your testing.  A few suggestions, if I may:

  • Clearly you've set out to provide examples of noise at various ISO settings, but it's difficult to judge noise performancealone without being able to also see detail retention.  Your images only seem to have about an inch of depth of field (focused on the rolls of thread) and thus don't have as many exposure zones for judgement of detail retention as they could.  Next time you may wish to stop down enough to make sure that the whole scene is in focus (I assume you're shooting this on a tripod with mirror lock-up to minimize vibration).  Arranging the props in such a way as to ensure that they're all in the same focal plane will make this easier.  Just don't overdo the stopping-down as e.g. f/22 will lower potential maximum resolution due to diffraction.
  • You might check the three-color histogram; it seems like you're blowing out the red channel on the magenta thread as there's significant loss of detail there.  This may be an issue of being almost blown in 14-bit RAW/prophoto color space & getting clipped when converting to jpg/srgb; using perceptual rendering intent when converting colorspaces may help if this is the case as color faithfulness to the subject is not of concern in this particular example.
  • It would be nice to have objects in the scene that provide the full range of exposure zones (all the way from solid black to solid white) in order to get an idea of performance across the full dynamic range capability of the camera.  The DPReview standard test scene is an extreme example of this, but it doesn't have to be anywhere near that complicated in order to be useful.

Thanks again for posting the test images, they're certainly interesting as shot already.

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