EXCERPT page containing first few paragraphs. 2019-09-19 04:28:22
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There is wide variation in lens performance in terms of focus accuracy, hot spot problems and sharpness. Many lens are troublesome to use because of strong hot spot issues. Others have strong backfocus which requires mitigation, such as using a B+W 091 or 092 filter through which focusing can be done and/or using LCD zoom to achieve accurate focusing.
Take the time to understand how your lenses perform under varying conditions on your particular camera—unlike color photography, one can’t simply assume that all infrared cameras will focus exactly the same way.
Reading the lens assessments
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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.