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Offline film exposure calculator for ISO, aperture, shutter speed
Film Exposure Calc keeps exposure triangle math fast in the field. Select common film-camera ISO values, f-stops, shutter speeds, and compensation in 1/3-stop steps. Choose the target you want to solve for, then read the equivalent result and EV reference immediately. Save named presets for camera, lens, film, filter, or lighting notes. The History tab stores presets locally, opens readable details, copies summaries, and supports delete or clear-all confirmation. The My tab shows app version, package name, cache controls, dark mode, and About. Key features: - ISO, aperture, and shutter speed selectors - Exposure compensation from -5 EV to +5 EV - Solve for shutter, aperture, or ISO - EV100 and adjusted EV display - Nearby equivalent rows - Save local exposure presets with notes - Copy calculation and preset summaries - Delete one preset or clear all with confirmation - Dark mode - Offline-first design with no account, camera, location, or internet permission Film Exposure Calc is not a light meter. It calculates equivalent settings from values you enter.