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Original: ScanImage0010s.jpg (1329x1800 1044.9KB)

<a href="https://malykh.com/img/2025-07/24-bDVCw_xJXMn7_1mrt_Sbqq6GxIw/ScanImage0010s.jpg"><img src="https://malykh.com/img/2025-07/24-bDVCw_xJXMn7_1mrt_Sbqq6GxIw/ScanImage0010s.jpg" style="width: 40%; max-width: 1329px;"/></a>

Usage: "Optek" light meter: User manual (in Russian) (2025-08-05)