« on: September 09, 2013, 02:26:57 PM »
Where is the 85/1.4 OS ART?
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Some lenses just dont focus well on a linear scale. Some need different AFMA settings focused far than focused close. To me that's a manufacturing flaw or the lens is just out of spec and needs adjusting. In those cases you either need to set the AFMA for the distance you use it the most, or split the difference in the near and far AFMA tests and use aperture to increase the DOF and mask the error.
@ Chuck- I am doing some low light focusing testing today and will verify what you are asking. My gut impression is that the 6D seems to be better geared between the higher ISOs (which are also a little "soft") and low light focusing, which as you know will be fantastic for shooting receptions and low light events. Ill post the info as soon as my tests are done, should be later today or tomorrow.
If anyone else wants any comparisons done let me know, I have a 5Dii, 5Diii, & Nikon D600.
Hi, Did you use any software for Camera/Lens calibration? Is there any online tutorial or best method to calibrate. I have a 5DM3, 24-105L F4, 70-200L F4 IS USM. Any advice is appreciated
I use Reikan FoCal Pro, highly recommend it. For my 1D X, manual mode is currently the only option, 5DIII works in semi-auto (for my 7D, and the 5DII I used to have, calibration is fully automatic).
For manual AFMA, I wrote a tutorial for TDP, based on LensAlign Pro, but with a DIY option as well.
I need to do some head-to-head shooting with my 5D2 and D800 but from the disparate shots I've already done the D800 at low ISO totally kicks the 5D2 into the woods. The more I review 5D2 images the more its shadow banding noise flaws show up.
I recently shot a bunch of family portraits for a friend, using the 5D2.
outdoors, cloudy day, flash fill; 3 people wore pants of varying shades of dark gray.
When prepping the files for print it was grossly obvious ON SCREEN how much banding there was visible on the darkest clothing with a lesser degree visible on the next lighter shade. Everything else looked fabulous. Fortunately, at the small sizes they wanted printed they won't see the noise on those dark gray pants. But it would be obvious if it was a 20x30" print.
When I shoot scenes with even much greater DR, I can pull far more shadow detail from the D800's raw file without any concern for pattern noise, or any real noise at all at low ISO settings!
I'm sold, the Nik's a worthy addition to my collection. I'll use it whenever I need to record scenes that have anything dark in them. The DARK side indeed!