Zone System
Download / View
iOS appCost
$1.99
Type
Photo & Video
Devices
Developer's Description
Zone System is a practical tool for applying Ansel Adams’ exposure and development method.
• Measure shadows and highlights to set exposure
• Get aperture and development (N, N+, N–) calculations
• Preview results with film stock presets
• Get calculations for aperture, shutter speed, ISO, and EV
This app makes the Zone System simpler, faster, and more reliable.
Views on PFA
5
5
Last Updated on PFA
April 12, 2026
April 12, 2026
Date Added on PFA
April 12, 2026
April 12, 2026
App ID
622
622
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