Light Meter & Logbook vs LightMeter Express

Turn your phone into a professional light meter and photo logbook — ideal for film, digital, medium-format, and pinhole photography. ACCURATE EXPOSURES • Reflected metering with your camera • EV calibration for precision • Fractional stops (1/2, 1/3) for fine-tuning ADVANCED TOOLS • ISO range from 3 to 25,600 • ND filter and long-exposure timer • Spot metering with histogram • 35mm equivalent focal length display • Medium-format focal length conversion support • Apply color filters to the live preview for accurate B&W film visualization • Pinhole camera support with custom f-numbers • Built-in library of 20+ films with the option to add your own • Push/pull processing support • Reciprocity correction for long exposures FAST & FLEXIBLE • One-tap exposure calculation • Customizable metering screen layout • Equipment profiles for cameras, lenses, and pinhole setups — now including medium-format systems • Dark mode and haptic feedback COMPLETE PHOTO LOGBOOK • Record exposure settings, location, and notes • Keep all shooting data organized and accessible PERSONALIZED INTERFACE • Light, Dark, or System themes • Custom primary color Download Light Meter & Logbook to achieve accurate exposures and keep every shot documented — all in one powerful app. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

LightMeter Express - Professional Camera Tool Transform your iPhone into a precision light meter for film and digital photography. Get accurate exposure readings with an intuitive interface designed for photographers who demand professional-grade metering capabilities. CORE FEATURES (FREE): • Real-time light metering using your device's camera • Precise aperture, shutter speed, and ISO calculations • Support for all standard camera settings • Clean, professional interface optimized for quick readings • Exposure value (EV) display with compensation controls • Camera settings reference for popular film and digital cameras • Works in any lighting condition your camera can see • Intuitive haptic feedback with "full-stop" detents for exposure drag gestures PERFECT FOR: • Film photographers seeking accurate meter readings • Digital photographers wanting precise exposure control • Studio and outdoor photography • Learning proper exposure techniques • Backup metering when your camera's meter fails PRO FEATURES (One-time $0.99 purchase): • **Spot Metering** - Professional spot metering with zoomed preview for precise exposure readings from specific areas of your scene. Drag to reposition, tap to meter. Works best on iPhones with telephoto lenses for maximum precision • Custom Step Increments - Choose between 1/3, 1/2, or full stop increments for all exposure parameters to match your camera and shooting style • Live Histogram - Real-time histogram display with RGB channel analysis for precise exposure evaluation and highlight/shadow monitoring • Preview Compensation - See exposure compensation effects directly in the camera preview to visualize over/under exposure before shooting • Custom Limits - Set personalized aperture, shutter speed, ISO, and exposure compensation limits to match your specific camera gear and preferences • Black & White Preview - Turn the camera preview into a grayscale image for helping with B&W photography The free version provides full light metering functionality suitable for most photography needs. Pro features add advanced customization and analysis tools for professional and enthusiast photographers. TECHNICAL NOTES: • Requires camera access to function as a light meter • All processing happens locally on your device • No internet connection required • Compatible with iPhone • Spot metering optimized for devices with multiple camera lenses PRIVACY: Light Meter respects your privacy. Camera data is processed locally and never stored or transmitted. No personal information is collected.