Weston Master III Universal Exposure Meter
Updated August 22, 2026
This auction ended on August 28, 2026.
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| Lot number | 91 |
| Auction | SecondHand StL Warehouse Auction- 017 |
| Date | August 28, 2026 at 7:30 PM CDT |
| Auction house | SecondHand STL LLC |
| Location | Maplewood, Missouri |
Vintage Weston Master III (Model 737) Universal Exposure Meter, produced by the Weston Electrical Instrument Corporation during the 1950s. It is an analog, selenium-cell light meter used by film photographers to calculate correct camera settings. Analog photoelectric light meter (no batteries required, powered by ambient light via a selenium photocell). Includes a dial calculator face, needle indicator, exposure value scales, and its original folding leather case. Introduced around 1956).