T Stop Calculator Download from App Store
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T Stop Calculator app for iPhone and iPad


4.0 ( 5280 ratings )
Utilities
Developer: Zero Optik LLC
Free
Current version: 1.1, last update: 4 years ago
First release : 17 Aug 2019
App size: 38.06 Mb

This app is designed to work with Zero Optiks Light Transmission Meter (LTM-1), converting from the native Lux readings to T-stops for testing cinema and photographic lenses.