Illumination – Photographic lighting
Patent
1987-05-20
1988-07-05
Myhre, Charles J.
Illumination
Photographic lighting
362 18, 362285, 362419, G03B 1502
Patent
active
047559128
ABSTRACT:
A scanning light source system for projecting onto each area of a complete painting or other planar subject a beam of light and for moving said beam vertically and horizontally. The vertical movements comprise a succession of sweeps across the painting for the purpose of consecutively illuminating each part of the painting sufficiently strongly so that the whole may be photographically reproduced more satisfactorily than has been possible heretofore, i.e. through the use in combination of Kodak #6121 duplicating film or another gamma 1.0 film, polarizing filters, and a lens aperture of f22 or smaller. The horizontal movements position the light source for each vertical sweep. Said system enables a beam of light to be projected onto each part of the entire surface of the subject painting an angle of greater than 40.degree. and less than 80.degree., thereby enabling brush-stroke and texture detail of a painting to be accurately rendered in a photographic reproduction. Said system also provides even illumination over the whole surface of the subject painting.
REFERENCES:
patent: 3378678 (1968-04-01), Groff
patent: 4383287 (1983-05-01), Fette
Gamma One Conversions, Inc.
Myhre Charles J.
Okonsky David A.
Whiting Richard
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