I'm Roger and I am the founder of Lensrentals.com. Hailed as one of the optic nerds here, I enjoy shooting collimated light through 30X microscope objectives in my spare time. When I do take real pictures I like using something different: a Medium format, or Pentax K1, or a Sony RX1R.
Equipment
Well, I’ll say to start with I’ve probably had more requests for the Sony FE 16-35mm f/2.8 GM MTF tests than any lens in recent memory. People are excited about it. About half the requests have been very reasonable “I’m hoping to see MTF results before I decide between this lens and that.” And, as has […]
Equipment
Long ago, in an office far, far away we did a teardown of the Zeiss 85mm CP.2 lens. Since we’ve already seen the earlier model, we thought it would be interesting to take a peek inside the new Zeiss 85mm CP.3 lens as well. We’re going to have to work on them eventually, and it’s always […]
Equipment
Here we go again. This isn’t my first time pissing off the status quo; I’ve been doing it for years. We spent the last few years developing better metrology (lens testing) for photography lenses. The reason was relatively simple; photography cameras with higher resolutions began to see flaws that the photography company’s (and our existing) metrology […]
Lenses and Optics
Sigma has been on an incredible run these last 5 years, releasing one amazingly sharp lens after another. They’ve made lenses no one has ever tried before and not only succeeded, they made them amazingly good on the first try. Their quality control has become as good as anyone’s, better than most. And their repair […]
Equipment
We’ve had a number of fun, new lenses to test this summer and one I was pretty eager to get to was the Sigma 14mm f/1.8 Art, for a couple of reasons. First of all, it’s a 14mm lens that has a wider aperture than f/2.8, and that’s certainly interesting. Second, it’s a new Sigma […]
