5945-00-811-4877 RELAY,ELECTROMAGNETIC Index 5940-00-811-4879 TERMINAL BOARD

National Stock Number:
6760-00-811-4878

Federal Supply Class:
6760

National Item Identification Number:
008114878

Description:
METER,PHOTOGRAPHIC EXPOSURE

Detail:
AN INSTRUMENT WHICH MEASURES THE QUANTITY OF LIGHT REFLECTED FROM OR ON A SUBJECT IN EXPOSURE UNITS BY MEANS OF A PHOTOELECTRIC CELL. THIS FIGURE, WHEN USED IN CONJUNCTION WITH AN INTEGRAL TABLE OR A CALCULATOR, GIVES A SUITABLE EXPOSURE TIME AND LENS APERTURE FOR THE EMULSION SPEED OF THE NEGATIVE MATERIAL USED. SEE ALSO COMPUTER, PHOTOGRAPHIC EXPOSURE.


Manufacturer Information:
SEI95179ZOOMAR INC


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