I’ve been testing a Cognisys rail for stacked macros. Since I’ve been doing the shutter shock testing, I thought I’d see if the rail made things worse, and, if so, in what way. I set up this gear: Zeiss 135mm f/2 APO Sonnar ZF.2 on a Nikon D800E, RRS D800 L-bracket, RRS clamp, Cognisys 200mm… [Read More]