EXCERPT page containing first few paragraphs. 2019-05-19 00:42:58
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One loaner sample tested briefly showed very poor sharpness at even modest distances from the optical center, and appeared to have fairly strong hot spot issues. This lens has gotten mixed reviews; I once had a very good sample [example] which I unfortunately sold, thinking I was going to stick with Nikon equipment.
Canon 24mm f/1.4L hot spots
I shot this lens briefly outside the camera store, and that brief shooting suggested troublesome hot spots.
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Diglloyd Infrared Photography covers cameras and lenses for infrared photography.
The coverage explains all the issues involved in shooting in infrared, which do not change. It is not a review of any particular camera or lens, though many examples are included.
- Guidance on workflow for infrared, including black and white and channel swapping for false-color images.
- How infrared renders, and why certain spectral cutoffs matter: false color vs black and white.
- Image quality issues to be on the lookout for in infrared.
- Numerous lens evaluations in infrared.