SPECTRA

Photographic exposure meter

SPECTRA Description

4.000 inches overall length, 2.500 inches overall width, 1.250 inches overall thickness, provided carrying case, cord, neck 1; light collector cone, 1 accessory components and quantity.

Properties of SPECTRA

Overall Length:
4.000 inches
Overall Width:
2.500 inches
Overall Thickness:
1.250 inches
Carrying Case:
Provided
Housing Material:
Plastic
Accessory Components And Quantity:
Cord, neck 1; light collector cone, 1
Usage Design:
Motion picture camera or still picture camera
Measurement Unit:
Candles per square foot
Scale Measurement Range:
+0.000/+250.000
Graduation Interval:
Increments of 5
Housing Type:
One-piece
Sensitivity Range:
+0.000/+250.000 candles per square foot
View Angle In Deg:
45.0 horizontal plane and 45.0 vertical plane
Calculator Type:
Instant reading
NSN:
6760-00-955-0116
Description:
Meter,photographic Exposure
Cage Code:
92434

Definition Photographic Exposure Meter

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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Last modified 05/03/2024