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
50
50
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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