The Sony a7R/55mm Sonnar testing with strobe illumination of the ISO 12233 target performed in the previous post got me worried. If the Sony’s shutter affects the sharpness of strobe-lit subjects with a normal focal length lens, would Nikon D800E mirror slap suffer the same fate? I mounted an AF-S 58mm f/1.4G lens on the… [Read More]
Archives for January 4, 2014
Shutter slap testing with ISO 12233, part 3
One of the unanswered questions from yesterday’s post was, “What degradation does the variable ND filter do to the image?” Today I set out to get a handle on that. I went into a dark room and lit a smaller version of the ISO 12233 target with two Paul Buff White Lightning X1600 (1600 watt-second)… [Read More]