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Updated , rescanned every two hoursSunday, November 1, 2026

▲ 142 today1.5k starsPythonHN ×1

Open-source spectral film simulator lets you process photos like real film

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What is spektrafilm?

Spektrafilm is a Python library that models the entire analog photography pipeline, from capture through development, printing, and scanning, using measured spectral data. Feed it a digital image and watch how different film stocks, enlarger settings, grain, halation and other effects shape the result.

Who it is for

Photographers, VFX artists and hobbyists can experiment with authentic film looks or test how a specific stock would render a scene without buying any physical film.

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