Weston Photronic Exposure Meter Model 650

1935 in Newark
Weston Electrical Instrument Company

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Weston Photronic Exposure Meter Model 650 An octagonal-shaped selenium cell photoelectric exposure meter.
The Kodak Collection at the National Media Museum, Bradford
Science Museum Group Collection

Weston photronic exposure meter Model 650. Photoelectric exposure meter, calibrated 0-1,000 emulsion speed numbers 17250. Rotary calculator: f1.5-32, 100 secs - 1/1200 seconds. NO 4471742. Weston Electric Instrument Co.

Weston Photronic Exposure Meter Model 650, made by Weston Electrical Instrument Company in New Jersey, United States in 1935.

The Model 650 was one of Weston's earliest photographic exposure meters and was specifically designed for professional photographers.


Photographic Technology
Object Number:
glass, metal (unknown) and plastic (unidentified)
exposure meter
  • furnishing and equipment
  • measuring device - instrument
  • photometer
  • light meter
The Kodak Collection at the National Media Museum, Bradford

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