Arduino / ESP32 based shutter tester using three lasers. This allows for correct focal plane curtain speed adjustment & even exposure across the frame.
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Updated
Sep 20, 2026
Arduino / ESP32 based shutter tester using three lasers. This allows for correct focal plane curtain speed adjustment & even exposure across the frame.
Precision shutter speed tester for film cameras — sub-microsecond hardware timing, standalone workflow.
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