Zone System
iOS app by Davin Nguyen. Photo & Video · Davin Nguyen
- Store rating
- 5 / 5
- Store rating count
- 3
- Download price
- 1.99 USD
- In-app purchases
- Unknown
- Version
- 2.6
- Listing last refreshed
- 2026-09-13
View the original store listing
Store description excerpt
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.
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