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Summary
| Description |
English: The Watkins Standard Exposure Meter is an early type of photographic actionometer which includes a calculator for exposure. |
| Date | |
| Source | Own work |
| Author | Egrabczewski |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:59, 31 December 2023 | | 2,522 × 1,858 (748 KB) | Egrabczewski | Uploaded while editing "Light meter" on en.wikipedia.org |
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