On the DPR Medium Format Forum, a poster has advocated for use of the term “image fidelity” as a scalar description of photographic technical quality. He has referenced the term “high fidelity” in audio as an analog and an exemplar. I am unconvinced that this new terminology offers any advantages over the conventional term “image… [Read More]
Fujifilm 30mm f/5.6 T/S lens — allowable tilt error
Lensrentals has loaned me a Fuji GF 30mm f/5.6 tilt/shift lens. There have been reports of unwanted tilt when using this lens. I conducted an analysis of how much tilt it takes to cause various amounts of defocus error. While the stimulus for this work was the 30/5.6 T/S lens, it is applicable to any… [Read More]
Fujifilm GF 30/5.6 Tilt/Shift lens on GFX 100 II — Illumination falloff
Lensrentals has loaned me a Fujifilm 30 mm f/5.6 tilt/shift (T/S) lens to test. I mounted it on a GFX 100 II, focused it at infinity, aimed it at a white wall, and made four images at each f-stop from 5.6 through 11, rotating the camera 90 degrees around the lens axis. I brought the… [Read More]
Fujifilm GF 30/5.6 T/S lens, usage notes for view camera users
The Fujifilm 30 mm f/5.6 tilt/shift lens can emulate any two, and in some cases, even more, of the standard view camera movements. It manages this by allowing the user to mount the tripod either to the lens or the camera body, and allowing the shift and tilt axes to be rotated freely. I’ll go… [Read More]
Should I buy a medium format digital camera?
I get asked this question a lot; so often that I’m going to write a general response. This doesn’t replace the personalized advice that I have given and will continue to give, but it will add to it. For whom is this article intended? I’m thinking of someone who already owns an interchangeable lens full… [Read More]