LensRentals.com

Category Archives: Resolution Tests

Measuring Lens Variance

Posted by

Warning: This is a Geek Level 3 article. If you aren't into that kind of thing, go take some pictures. I've been writing and discussing the copy-to-copy variation that inevitably occurs in lenses since 2008. (1,2,3,4) Many people don't want to hear about it. Manufacturers don't want to acknowledge some of their lenses aren't quite as [...]

The Glass in the Path: Sensor Stacks and Adapted Lenses

Posted by

Single glass piece from the sensor stack of a Canon (left) and Micro 4/3 (right) camera. Image credit Aaron Closz.   NOTE: This is a Geek Post. If you aren't into geeky photo measurements, or into adapting lenses from one brand of camera to another, you'll not be interested.  A year or two ago, I [...]

Comparing Rangefinder and SLR 50mm Lenses. (Version 0.7)

Posted by

Well before our Imagemaster optical bench was delivered, I knew what I wanted to do first: compare some Leica lenses with the best SLR lenses on a level playing. I did one comparison involving Leica lenses a long time ago, but Leica lenses are difficult to test in our Imatest lab. It's nothing to do with Imatest or the lenses; simply [...]