FilmMeter is a comprehensive film photography companion packed with professional-grade tools. Every feature has been designed by film photographers, for film photographers – combining modern iPhone technology with the timeless craft of analog photography.

FilmMeter 是一款功能全面的胶片摄影工具，集测光、测距、景深计算、智能场景识别和胶卷管理于一体，专为胶片摄影师打造。

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Precision Light Metering
专业测光

Real-time exposure measurement with 1/3, 1/2, and full stop increments. Long exposure timer with automatic reciprocity failure compensation for every film stock.

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LiDAR Rangefinder
LiDAR 激光测距

Precise distance measurement using iPhone's LiDAR sensor with a Leica rangefinder-inspired split-image UI. Real-time tracking in meters and feet.

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Depth of Field Calculator
景深计算器

Format-aware DOF calculations with correct circle of confusion for 35mm and 120 medium format. Hyperfocal distance and visual depth of field scale.

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AI Scene Detection
AI 智能场景识别

Hybrid histogram analysis and Places365 CoreML model for intelligent exposure compensation. Fully offline, on-device processing for privacy and speed.

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Film Roll Management
胶卷管理与摄影笔记

Track film rolls from loading to development. Per-shot exposure records, location data, photo attachments, and CSV export for complete shooting logs.

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Medium Format Support
中画幅支持

Full 120 film format support with 6x4.5, 6x6, 6x7, and 6x9 aspect ratios. Accurate frame counting and format-specific exposure calculations.

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Looking for more resources? Check out our photography guides or browse the film stocks database for supported film emulsions and reciprocity data.