Multiple flash unit with light-spreading protective shield

Details Multiple flash unit with light-spreading protective shield Multiple flash unit with light-spreading protective shield

1977-12-05

1979-10-23

Lechert, Jr., Stephen J.

Illumination

Photographic lighting

Plural light sources or light source supports

362328, 362339, 362 17, G03B 1502

Patent

active

041722736

ABSTRACT:
A prismatic protective shield for each flash-lamp and reflector combination as arrays of parallel prisms in order to level the light distribution with a tendency to produce an intensity dip at the pattern center. Arrays of horizontal prisms occupy a central vertical stripe of the shield plane. Arrays of vertical prisms are at each side of the horizontal prisms.

REFERENCES:
patent: 4085316 (1978-04-01), Quinn

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