The Leica 90mm f/2 APO Summicron is a great lens, and so is the Nikon 85mm f/1.4 AF-S G. The Leica lens is, like most Leica glass, a bunch more money. Wouldn’t it be great if the Nikon turned out to be as good? Now that we’ve got the a7R, we can test these two… [Read More]
Archives for December 21, 2013
Testing for shutter slap
The vibration issues with the a7R’s shutter have caused me to spend more time thinking about how to test for shutter-induced vibration. The same techniques can be used to test for mirror-slap vibration in SLRs, but that’s not usually too much of an issue, for two reasons: mirror-slap vibration is larger, and therefore easier to… [Read More]