This is part 12 of a test of the Sony 12-24 mm f/4 FE lens. The test starts here. I reported here on the distortion in the Sony 12-24 zoom. At the time, there was no lens profile in Lightroom. as of today, there is, so I’ll give you all an update to look at… [Read More]
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Sony 12-24/4 on a7RII vs Fuji 23/4 on GFX
This is part 11 of a test of the Sony 12-24 mm f/4 FE lens. The test starts here. I’ve been asked to compare the new Sony zoom on the a7RII against the Fuji 23 mm f/4 lens on the GFX 50s. This is not a fair fight. Let me count the ways: Prime vs… [Read More]
Sony 12-24/4 AF performance with a7RII
This is part 10 of a test of the Sony 12-24 mm f/4 FE lens. The test starts here. So far in this report, I’ve been using the Sony 12-24 manually focused. I have found the AF accuracy of the Sony a7RII to be outstanding, except in the case of one particular lens, the Batis… [Read More]
Sony 12-24 LoCA & focus shift at 18 & 24 mm
This is part 9 of a test of the Sony 12-24 mm f/4 FE lens. The test starts here. I tested the Sony 12-24 mm f/4 FE lens for on-axis longitudinal chromatic aberration (LoCA) and focus shift. I used my computer controlled focusing rail and a low-contrast inkjet-printed slanted edge target. A quick review of… [Read More]
Sony 12-24 f/4 OOF PSFs
This is part 8 of a test of the Sony 12-24 mm f/4 FE lens. The test starts here. A couple of TLAs (three-letter acronyms) up there, huh? OOF you probably know; it stands for out of focus. PSF means point spread function, and is a bit more obscure. It’s what the camera does with… [Read More]
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