Lenses and Optics
As most of you know, we generally test multiple copies of a lens when we evaluate it, simply because we are so aware of copy-to-copy variation. But I got caught between a rock and a hard place this week. We received exactly one copy of the new Nikon 300mm f/4E PF ED VR lens and […]
Teardowns and Disassembly
A while back we did a teardown of the Sony A7r, and were very impressed with its clean modular design. Now that Sony has released the A7 II we thought a similar teardown would be worthwhile. There are certainly going to be some differences. First among them, of course, is that the new camera has 5-axis, […]
Other
In an earlier post we were most impressed with how much better the new Canon 400mm f/4 IS DO II resolved compared to the original version. I mentioned that we hadn’t been able to get many copies and didn’t have time to do any other comparisons right then, but that we would do more […]
History of Photography
“He caused a lot of trouble over here, you know.” A librarian at the Royal Aeronautical Society, when asked for references on Sydney Cotton. It’s been a while since I did a history article. I love writing about the true “characters” of photography, and to be honest, I hadn’t stumbled across anyone that really interested […]
Resolution Tests
A few months ago, before my hiatus from blogging, we did a series of articles showing the effect that a thick sensor stack (the glass above the sensor) had when we use adapted lenses designed for a thin sensor stack. The first one was mostly about theory, the second about when it was likely to actually […]
