The Zone Light Meter Blog
Long-form guides on light metering, the Zone System, and the analogue corrections that turn a meter reading into the right exposure. Updated as ideas land.
The Zone System for Film Photographers in 2026
A complete guide to Ansel Adams's Zone System for negative and slide film, with worked examples and placement-and-fall practice.
The Best Light Meter Apps for Film Photography in 2026
Honest round-up of light meter apps for film: Zone Light Meter, Pocket Light Meter, myLightMeter Pro, FilmMeter, Lightme, and Lumu.
The Sunny 16 Rule, Explained
Where Sunny 16 came from, how to use it as a starting point, where it breaks down, and how to back it up with a real meter reading.
Reciprocity Failure, Stock by Stock
Why long exposures need more time than the meter says, with per-stock correction tables for the 88 most common films.
Multi-Spot Metering for Film
How to take three or more spot readings, weight them by importance, and arrive at the exposure your subject actually needs.