Matthew Koller

How to Dial In Exposure and Contrast with One Darkroom Test Strip

Matthew Koller

Published on: 29/05/2026

Learn how to use one targeted darkroom test strip to judge highlight exposure, correlate contrast changes, apply a highlight factor, and fix muddy black and white prints with less guesswork.

Darkroom

The Zone System Explained: Exposure & Contrast in Black and White Film Photography

Matthew Koller

Published on: 14/03/2025

Learn how the Zone System works for black and white film photography. Discover how to expose for shadows, develop for highlights, control contrast, and make better darkroom prints.

Darkroom