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National Stock Number:
6760-00-247-0935
Federal Supply Class:
6760
National Item Identification Number:
002470935
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.
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Manufacturer Information:
| JANM58TYPEPH260 | 80058 | JOINT ELECTRONICS TYPE DESIGNATION SYSTEM | | PH260A | 80063 | US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR | | Z22-56 | 11707 | IDEAL PRECISION METER CO |
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Techincal Specification:
| ACCESSORY COMPONENTS AND QUANTITY | CORD,NECK 1 | | CALCULATOR TYPE | HAND-REVOLVING | | CARRYING CASE | PROVIDED | | GRADUATION INTERVAL | IRREGULAR | | HOUSING TYPE | ONE-PIECE | | OVERALL LENGTH | 3.375 INCHES NOMINAL | | OVERALL THICKNESS | 1.125 INCHES NOMINAL | | OVERALL WIDTH | 2.500 INCHES NOMINAL | | MATERIAL | PLASTIC PHENOL FORMALDEHYDE (PMO) HOUSING | | MEASUREMENT UNIT | ASA EXPOSURE INDEX AND CANDLES PER SQUARE FOOT AND F-STOP AND LIGHT VALUE AND SECONDS | | MULTIPLIER COVER | NOT PROVIDED | | NONDEFINITIVE SPEC/STD DATA | PH-260 TYPE | | SCALE MEASUREMENT RANGE | +0.000 TO 1250.000 | | SENSITIVITY RANGE | +0.000 TO 1250.000 CANDLES PER SQUARE FOOT | | SPECIAL FEATURES | LUMINOUS DIAL | | USAGE DESIGN | MOTION PICTURE CAMERA OR STILL PICTURE CAMERA | | TELESCOPING HOOD | NOT PROVIDED |
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