Photoelectric exposure meter. Two scales calibrated 1/10/-1/500 sec, 30 sec - 1/10sec selected by pushbutton. Calibrated for f/8 and 23 degrees. Conversion scales provided for alternative apertures for 17,20, 23, and 26 degrees. With additional scale for 29 degress. Hand engraved on scale holder. Cel with oval convex lens. No.c2152.
- Photographic Technology
- Object Number:
- exposure meter
- The Kodak Collection at the National Media Museum, Bradford
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