Description
With this tool you can calculate your exposure and needed adjustment for development. It uses zone system theory originally invented by Ansel Adams and Fred Archer. First decide zone of your shadows and measure the shadows. Then device highlight zone and measure the highlights. Measure these with the film ISO you are going to use. You also need to decide shutter speed in beforehand. The app calculates exposure aperture for you and also tells if you need to shorten (N+..) or expand (N-..) your development time. You will get best results with a spot light meter but mobile apps will probably do fine.
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Reviews
Pretty good overall
If it is possible, adding the adjustment for shutter speed instead of only the aperture will be so much helpful.
KihgfdsalMon, Feb 21, 2022
United States
Needs a built-in light meter
My mistake - I thought it had a meter built in. Need an app that allows me to meter shadows, then see zone values of other areas in scene. Nice calculator I guess.
A1an_BSat, Sep 25, 2021
United States
Download & Revenue
About
Bundle Id
com.miituu.zonecalcMin Os. Version
12.2Release Date
Fri, Nov 29, 2019Update Date
Sun, Dec 1, 2019Content Rating
Has IMessage
NoSupport Watch
NoSupport Siri
NoFile Size
336kBHas Game Center
NoFamily Sharing
NoSupport Passbook
NoSupported Languages
EnglishWhat's New
version
1.1updated
4 years agoFixed N calculation (was reversed) Added developing tip text
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