Lenses and Optics
Lens adapters can be useful things sometimes, letting you mount one brand of lens on another brand of camera. One thing that has always bothered me, though, is the idea of doubling the number of lens-mount interfaces. When you look at the thick metal pieces on the front of the camera and the back of […]
Lenses and Optics
The Three Questions I get asked a couple of questions every time I publish a graph showing Imatest results for multiple copies of lenses like the one below. Most people understand that some copy-to-copy variation is inevitable in the manufacturing process. Most are surprised, though, at how large the sample variation seems to be. Heck, […]
Equipment
Correction: Lenses called “Rokinon” in the “Weeks to Failure” rate incorrectly included Bower & Samyang branded products. Because of this error, data for lenses called “Rokinon” lenses has been removed. We apologize for this inaccuracy, and any confusion that may have resulted therefrom. What Is This? We have a unique opportunity: We own a very […]
Teardowns and Disassembly
Every so often I get an email asking me to jump in on some forum argument or other. I rarely do that because of the language barrier. Two of the common languages spoken on forums are CAKWAF (Complete, Absolute Knowledge Without Any Facts) and AFIDAWAB (Any Facts I Don’t Agree With Are Bullstuff). Since I […]
Equipment
In case you don’t know it, cameras and lenses are prime theft targets. You may never think it’s going to happen to you, but almost every day I hear from someone who is missing thousands of dollars worth of gear with no hope of getting it back. As a rental company, we have lots of […]
