EXCERPT page containing first few paragraphs. 2019-03-20 15:42:06
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The lens evaluations found in this Guide for Nikon and for Canon are based on both research and field use by me. Note that any Nikon non-“G” lens can be used on Canon EOS with a mechanical lens adapter.
The term stopped down means to f/11 (DX sensor) or f/16 (full frame sensor). At f/16, even the best lenses might have a faint hot spot. At f/16 contrast and/or sharpness degrades. Stick to f/11 unless f/16 is really needed, especially on sensors that are less than full-frame (smaller photosites demand more from the optics).
Assessments use the rating scale discussed below.
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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.