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EXCERPT page containing first few paragraphs. 2021-12-04 03:33:16

Canon EF 50mm f/2.5 macro

So far, little experience using this lens in infrared. A versatile lens, it’s an excellent choice for overall shooting, and for infrared.

Canon EF 50mm f/2.5 macro hot spots

Hot spots are better than the 50mm f/1.4 and 50mm f/1.8 II, and perhaps even better than the 50mm f/1.2L, but still are a concern by f/8.

Canon 50mm f/2.5 macro backfocus

Backfocus is minor. Still, it’s a 2+ stop improvement to focus through the B+W 092.

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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.

View an overview of infrared as well as filter spectral transmission plus examples from an optimal lens.

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