Lenses and Optics
I’m going to open a can of worms today. I’ve been getting more and more emails from people telling me the same story that goes like this: I’ve got this lens. It’s awful. I’ve sent it in for adjustment and the service center tells me it’s ‘in spec’ and nothing is wrong with it. Am […]
Technical Discussions
A long time ago I wrote a blog post called Good Times with Bad Filters about how cheap UV protective filters are different from good ones. It was mostly in fun. Today I’ve got a post about how cheap UV filters may hurt your lens. It’s not in fun. Here at Lensrentals we see lenses […]
Lenses and Optics
In my last article, I wrote about the fact that every copy of a given lens has some bit of sample variation. This affects lens reviews, whether lab-based or photography-based, because the copy they tested will be just a bit different from the copy you buy. I suggested, that if you want to get a […]
Technical Discussions
My name’s T.J. Donegan, I’m the Editor-in-Chief of DigitalCameraInfo.com and CamcorderInfo.com (Soon to just be Reviewed.com/Cameras). We recently wrote about designing our new image stabilization test for our Science and Testing blog. I showed it to Roger and he asked for the “nerd version.” He was kind enough to let us geek out about the […]
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 […]
