Optical Vignetting EV Falloff Meter & DNG Flat-Field Gain Table Generator

Deterministic 2D radial polynomial cos⁴(θ) illumination model + per-CFA-plane gain map G_c(x,y) exported to Adobe DNG GainMap Opcode engine (.dng, .arw, .nef, .raf) built for Leica M11, Ricoh GR, Lightroom Classic, RawTherapee — zero-upload ephemeral Wasm RAM execution.

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Cloudflare Ephemeral Wasm RAM · 0% Retention

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