The Schneider 90/4.5 Apo-Componon HM is an enlarging lens that I happen to have lying around from my film days. I remembered it as a great enlarging lens. I wondered how it would perform in a completely different role: as a camera lens. This is asking the lens to perform well outside of its comfort… [Read More]
70-200/2.8 E vs S at 70mm, quantitative
This is the thirteenth in a series of posts about the Nikon 70-200 mm f/2.8 S lens for Nikon Z cameras. The series starts here. In two previous posts, I did some quantitative comparisons of the Nikon 70-200 mm f/2.8 E and S lenses at 200 mm. Now I’ll do the same at 70 mm…. [Read More]
Sony 135 STF on GFX-50R, bokeh visuals
Earlier, I reported on the great news that the Sony 135 STF (apodized) A-mount lens covers the GFX sensor with zero vignetting. Yesterday I examined sharpness, both on and off axis, using a slanted edge and a Siemens Star for a target, and found the lens quite sharp on axis, and soft in the corners…. [Read More]
Sony 135 STF on GFX-50R, bokeh
Earlier, I reported on the great news that the Sony 135 STF (apodized) A-mount lens covers the GFX sensor with zero vignetting. Yesterday I examined sharpness, both on and off axis, using a slanted edge and a Siemens Star for a target, and found the lens quite sharp on axis, and soft in the corners…. [Read More]
Sony 135 STF on GFX-50R, sharpness
I’ve already reported on the great news that the Sony 135 STF (apodized) A-mount lens covers the GFX sensor with zero vignetting. Now I’m going to look at sharpness, both on and off axis, using a slanted edge and a Siemens Star for a target. Here’s the scene: And here’s just the target area, as… [Read More]
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