May 30, 2026 · 7 min read The Zone System, explained for film shooters How Ansel Adams's Zone System turns metering into a deliberate choice — and how to use it without a darkroom full of gear.
May 15, 2026 · 7 min read Bayer Demosaic Conversion Versus a True Monochrome Sensor Why removing the color filter array raises a digital sensor's resolution and sensitivity compared with desaturating a Bayer color file to grayscale.
August 29, 2025 · 6 min read Xtol and the Ascorbate Superadditive Developer How Xtol pairs ascorbic acid with a phenidone-type agent for fine grain and full speed, and why early batches failed without warning.
