Lens focus shift required for reflected ultraviolet and infrared photography.
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Infrared Rays↗
Biomedical subjects
G Nieuwenhuis
Publications and source records attributed to G Nieuwenhuis.
An important diffraction effect in infrared photography.
During a study of bruising, a strange effect was observed on the black-and-white infrared record. This took the form of a circular area of density, in the centre of the contusion, which lasted throughout the life of the bruise. Investigations revealed that the newer 105 mm f/2.8 Micro-Nikkor lenses were the cause, exhibiting unacceptable diffraction at apertures smaller than f/11.
Contusions↗
The development of a photogrammetry service at the Royal Children's Hospital, Melbourne.
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Australia↗
[In memoriam Miss H. E. Aberson].
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History of Medicine↗