RollMeter

A portable light meter built exclusively for film photographers using manual cameras. No built-in meter on your vintage mechanical camera? Tired of carrying a bulky standalone light meter? Launch FilmLume, and turn your phone into a compact exposure meter instantly. ## Core Features • Real-time metering: Spot and evaluative metering to read scene EV values • Exposure calculator: Input ISO to get a full set of aperture and shutter speed combinations automatically • Film preset library: Kodak, Fujifilm B&W, color negative and slide films; custom ISO and exposure bias support • Reciprocity compensation: Automatically correct for film reciprocity failure during long exposures • Exposure compensation & Zone System reference. Great for street photography, portraiture, landscapes, medium and large format shooting. Works with manual film cameras including Nikon F2, Pentax 67, Hasselblad 500CM, Leica M, Olympus and more. Get reliable exposure readings quickly for 35mm, 120 medium format, black-and-white and color films alike. Ideal for beginners learning exposure fundamentals, as well as seasoned film photographers for fast metering and focusing on street and outdoor shoots. Clean, ad-free interface for streamlined on-location operation. Pick your exposure settings and focus distance. No need to peer into the viewfinder screen. Simply set your lens focus distance and exposure parameters to achieve results comparable to cameras with auto-exposure. If you are a film enthusiast and have suggestions or want to discuss film photography, your feedback is welcome. Reach me via email: [email protected]