A simple and effective film reciprocity calculator for photographers. Select a film type and metered exposure time - the calculator will provide a reciprocity compensated exposure time. You may need to setup Reciprocity Timer in Settings -> Notification Center to ensure the apps timer can notify you when exposures are ending and your device is asleep.

Reciprocity Timer alternatives

BTZS ExpoDev

BTZS ExpoDev is the companion app for BTZS Plotter for Windows that allows you to more accurately expose traditional B&W films using film test data from BTZS film tests.BTZS meets the iPhone. Its the perfect match of Phil Davis BTZS with the same device that the rest of my life is on. ExpoDev was designed for Large Format film photographers working in any traditional or alternative process (including hybrid processes such as film scanning).Among the many features in BTZS ExpoDev are: An exposure record keeping system to keep track of all of your film exposures, allowing you to view the exposure details and the development time to use when back from the field Manages your lists of Film Profiles, lenses, and filters for fast & easy selection when making exposures Support for both BZTS Incident and traditional Zone System metering methods Interactively calculates the SBR, Average Gradient, and the EFS for each scene while metering Support for user-specified filter factors and Large Format bellows extension compensation A powerful Depth of Field calculator with selectable Circle of Confusion that supports 3 DOF calculation modes (Aperture/Distance, Near/Far Distances, and Focus Rail Spread) DOF calculator supports both metric and imperial measurement modes Calculates exposure by either selecting the Aperture or Shutter speed to use Supports Apertures down to f/2048 (perfect for pinhole work) and Shutter speeds up to 6 hours An integrated exposure timer than can handle exposure times up to 12 hours Sophisticated reciprocity failure adjustments for both exposure and development time that are based on lab-produced data for over 90 film and developer combinations and moreNote: Sample Film Profiles are available for experimentation but they are not a substitute for personal film testing.

  • size 21.1 MB

Mark II Artist's Viewfinder

Artists Viewfinder assists the filmmaker or still photographer in exploring different places and angles to find the optimal placement for the camera, and to second-guess compositions. By simulating real camera and lens combinations it allows you to visualize what you are going to shoot without actually setting up the camera. It is an iPad optimized free PDF eBook available at: http://www.artistsviewfinder.com/handbook/

  • size 5.4 MB

Massive Dev Chart Timer

The Massive Dev Chart is the worlds largest film development chart with easy to use multi step timer and darkroom support for iPhone, iPad and iPod Touch. Watch the instructional video at: http://www.youtube.com/watch?v=P915z6THiY8. (http://fotogogo.blogspot.com/2009/09/app-review-massive-dev-chart-for-iph-one.html) Features Offline copy of The Massive Dev Chart in your pocket Multi Step Timer with sound notifications Customizable agitation scheme Darkroom themes Dilution Mixer Support for two-step development and two-step fixing Support for optional hypoclear and photo flo steps Automated development time/temperature compensation

  • size 7.0 MB

Pinhole Assist

Dec 16, 2016. Wow. This is a sophisticated exposure calculator to take argentic (ou DSLR) shots with an pinhole camera.

  • size 13.3 MB