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.