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.
Resolution Tests
We had 4 copies of the new Nikon 28mm f/1.8 G AF-S (available to rent today) arrive today and I managed to snag a Nikon D800 just long enough to run Imatest numbers on the 4 copies of the lens. Most impressive!!! As always, the Don’t Lose Perspective disclaimer applies: this is simply MTF50 numbers for […]
Other
A lot of photographers are glad they took out the damage waiver on equipment when accidents happen. While we hate losing equipment, I have to admit we sometimes enjoy reading about exactly how this lens or that camera returned in the shape it did. This weekend, though, we not only got one of the best […]
How To's
What is Decentering and What Does it Do? Strictly speaking, decentering would involve one or more of the lens elements being off of the central axis of the lens. This would prevent the curved surfaces of the lens from bending the light properly. In severe cases it could result in halos or ghosting. In most […]
Equipment
This is the second in a series of three posts about Imatest results on m4/3 mount lenses. The first post covered most of the lenses of 25mm and wider focal length. Most of the zoom lenses in that test were done at, or near, their widest focal length since we were concentrating on the […]
Roger's Corner
Long ago in a lifetime far away, I discovered photography. I loved it. I mean, I really, really loved it. Not just learning how to make photographs. I loved learning how the camera and lenses made those photographs. I loved learning about the major and minor differences various lenses had. I spent every free moment […]
