Over the years, some digital camera manufacturers have touted their products by saying that the pictures made with their wonderful cameras had a “film” look. I recently encountered something I wrote elsewhere on that subject that may have some contemporaneous relevance now that yet another vendor is making similar claims. I am reproducing it here…. [Read More]
Assumptions behind slanted edge testing
I do a lot of slanted edge MTF testing. It’s a very powerful technique. I use Imatest, MTFMapper, and occasionally Peter Burns’ Matlab code. Recently, on DPR, Frans van den Bergh posted a list of the assumptions behind the method. If you are interested in that technology, it’s worth a read. If not, this is going to… [Read More]
Magical thinking and ISO choice
In a recent LuLa thread about the Nikon D850, in response to a remark of mine about the ISO where the camera changes conversion gain, a poster said: I’ve always been wary of using intermediate ISO settings. They didn’t seem to serve much purpose years ago when I was using Canon DSLRs. It was generally… [Read More]
Green Growing Land walkthrough video
Brian Taylor, the Executive Director of the Center for Photographic Art, arranged a video crew to capture a half-hour interview that he conducted with me at the Hartnell College Art Gallery during their exhibition of images from This Green Growing Land series. Here’s a nearly-final version, rezzed down to 720p (it’s still nearly half a… [Read More]
Sony 100-400 vs Nikon 80-400 at 200 mm
This is the fifth in a series of tests on the Sony 100-400 f/4.5-5.6 GM zoom. The series starts here. This continues the test in the previous post, but at 200 mm focal length instead of the 100 mm of that post. Test conditions. Sony 100-400 mm f/4.5-5.6 GM OSS on the Sony a7RII and the… [Read More]
- « Previous Page
- 1
- …
- 49
- 50
- 51
- 52
- 53
- …
- 381
- Next Page »