EXCERPT page containing first few paragraphs. 2019-05-25 09:14:04
UA_SEARCH_BOT_null @ 126.96.36.199
Please see the Lenses page for important background information, including the lens rating system, with its discussion of hot spots, backfocus and sharpness.
Lens assessments are based on the my particular Canon EOS 5D converted for infrared use by maxmax.com using internal sensor glass with a 715 nanometer cutoff. According to maxmax.com, the 5D was adjusted for focus. Focusing performance could differ with other conversions of the EOS 5D, even those by maxmax.com, since filter glass and individual camera adjustment can all vary. But hot spot behavior is not likely to vary.
Article continues for subscribers...
Diglloyd Infrared Photography is by yearly subscription. Subscribe now for about 8 cents a day ($30/year).
BEST DEAL: get full access to ALL 8 PUBLICATIONS for only 68 cents a day ($249.95)!
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.
Settings for hot spot conversion
(sharpness=1 used for backfocus images)
Canon Digital Photo Professional 188.8.131.52