EXCERPT page containing first few paragraphs. 2019-09-22 01:55:45
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Like the 24-70 f/2.8L, outstanding central sharpness in infrared, but with hot spots at all focal lengths, and as soon as f/5.6. Whether they are manageable will depend on the lighting and subject. Excellent results can be had at f/11, and very difficult hot spots can result at f/5.6. Shade the front of the lens whenever possible.
Corners remain slightly smeared even at f/11. This is a good lens for shooting at f/4 or f/5.6 handheld, with highly accurate focus across the zoom range. As a landscape lens, it leaves much to be desired with corner sharpness never satisfying (on full-frame) and hot spots a frequent problem. For landscape shooting, where manual focus and manual stop down are feasible, the Nikon 28-70 f/2.8 is vastly preferable.
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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.
EF 24-105 f/4L, 47mm @ f/7.1