Fast Prime Spherical Aberration Focus-Shift Curve Profiler (f/1.2–f/5.6)

Deterministic Brenner/Tenengrad high-frequency focus contrast envelope fitting + sub-pixel Gaussian peak shift vs EXIF f-stop number engine (.dng, .arw, .nef, .cr3) built for Leica Summilux, Voigtländer Nokton, Zeiss Otus, Hasselblad — zero-upload ephemeral Wasm RAM execution.

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Cloudflare Ephemeral Wasm RAM · 0% Retention

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