jhinkey wrote: cputeq wrote:
Ran into a strange issue - darker top 1/3 of frame at high SS and ECFS enabled. I hadn\'t noticed it before until today, I thought the ZF 100/2 or adapter was culprit, but sure enough, ECFS just doesn\'t like this lens above 1/2000s or so, though it\'s nothing unworkable. Interesting, I\'ll have to test with more lenses now.
Yeah carisote1 was correct in that it\'s EFCS and not the lens.
Just a little side note of the explanation behind why I thought, at first, it was the lens for some reason:
1) I\'d take photos at 1/8000s without the lens or adapter and see very little (or no) shading...but that\'s because the camera was getting flooded with light, with nothing to stop it Once I put on the lens, which at the time I just was carrying the 100/2, then the camera was able to expose properly and I could see the shading.
Below are examples. All of these were pointed at a blue sky at around f/2.5, but I\'m sure it\'ll happen with any of my lenses, since it\'s a known EFCS problem.
Jul 19, 2014 at 01:52 PM
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