Film examining with diffuse and specular illumination

Details Film examining with diffuse and specular illumination Film examining with diffuse and specular illumination

1976-09-22

1978-08-15

Henry, Jon W.

Illumination

Supported by vehicle structure

Condition responsive

362234, G02B 2106

Patent

active

041068513

ABSTRACT:
A compact stereo light table includes a pair of high intensity spot sources on a diffusely illuminated background that are selectively diffuse or specular. There are controls for spot brightness, diameter and positioning and specular to diffuse adjustment.

REFERENCES:
patent: 2971080 (1961-02-01), Boughton
patent: 3244062 (1966-04-01), Sweet

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