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Nikon 50-300mm f/4.5 ED AI-S
Even with precise focus for infrared, results with this lens disappoint away from the optical center, and consequently I have shied away from using it.
Nikon 50-300 f/4.5 ED AI-S Hot spots
Not tested.
Nikon 50-300 f/4.5 ED AI-S backfocus
Backfocus is extremely strong, with focus adjustment absolutely mandatory. Limited testing suggests that off-center imaging performance is poor to modest.
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Diglloyd Infrared Photography covers cameras and lenses for infrared photography.
The coverage explains all the issues involved in shooting for monochrome and in infrared. It is not a review of any particular camera or lens, though many examples are included.
- Monochrome vs color cameras.
- Post processing for monochrome.
- 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.
View an overview of infrared as well as filter spectral transmission plus examples from an optimal lens.