The is a guest post by Huntington Witherill, a prolific, versatile  photographer who has mastered both the technical and artistic parts of the pursuit. He’s also a great lecturer, teacher, and friend. You can see his work here. He’s been working on the a7R shutter slap for a couple of weeks now, and he’s come… [Read More]

Let’s take a break from the technical minutia and spend at least one post on a photographic issue that’s important – or should be important – no matter what you think of the a7R’s shutter. Brooks Jensen just posted a rumination on photographic quality. Rather than summarize Brooks’ post, I suggest you read it –… [Read More]

Ferrell McCullough proposed an idea a couple of days ago that sounded better and better the more I thought about it. Why not do some testing of the strobe-lit images with rear-curtain synch at various shutter speeds? We could then see blur that was big enough to show up during the strobe duration at discrete… [Read More]

Is an electronic flash fast enough to stop the a7R shutter slap motion? It depends: All equipment the same as the last post unless noted. Camera shutter release mode: 2 second self-timer, shutter speed: 1/160 second, first curtain synch: 90mm Leica f/2 APO Summicron, f/5.6 with ND filter at minimum absorption, flash duration 1/8000 second… [Read More]