When I did my lens screening test on the Fujifilm 45-100 mm f/4 a few days ago, I noticed the corners were a bit soft wide open. Not soft for a zoom, mind you, but still substantially softer than the on-axis sharpness. I wondered if the softness was inherent in the lens, or was due… [Read More]
Fuji 45-100/4, 100-200/5.6 on GFX 100
Earlier today I tested the Fujifilm 45-100/4 against the Fuji 32-64/4. Now I’m running another test, this one against Fuji’s other medium format zoom, the 100-200/5.6. The 100-200 has some issues between 135 and 200 mm, but is a good performer at the short end. I tested both lenses at 100 mm. The scene, at… [Read More]
Fuji 45-100/4, 32-64/4 on GFX 100
The Fujifilm 32-64/4 is a great lens. Up until a few days ago, I said it’s the second-best zoom I’ve ever tested, bested only by the Nikon 180-400/4, which is playing in a different league in both focal length and price. Since there is so much overlap between the ranges of the 32-64 and the… [Read More]
Fuji 45-100/4 on GFX 100 — screening
The new Fujifilm 45-100 mm f/4 R LM OIS WR (hereafter yclept the 45-100/4) arrived today. I performed my usual lens screening test. Here’s the scene, at 60 mm. I moved the target as I changed focal lengths. Target distance varied between 28 and 40 meters. I made the exposures with the following setup: The… [Read More]
Optical low-pass filters and the Fuji GFX 50S and 50R
This is the fifth post on balancing real and fake detail in digital images. The series starts here. In the last post, I looked at what advantages would obtain if the Fuji GFX 100 and the Sony a7RIV had an optical low-pass anti-aliasing filter (OLPF or AA filter). It seems to me that those cameras… [Read More]
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