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Original: ScanImage0008s.jpg (2585x1800 2628.3KB)

<a href="https://malykh.com/img/2025-07/24-u1Bd5iKmS_SjVxnamFjVi6fX3QU/ScanImage0008s.jpg"><img src="https://malykh.com/img/2025-07/24-u1Bd5iKmS_SjVxnamFjVi6fX3QU/ScanImage0008s.jpg" style="width: 100%; max-width: 2585px;"/></a>

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