Reciprocity Plus vs Expose

Reciprocity+ : photo tool, for calculating long exposure, for digital and analog photography. Are you tired of mentally multiplying exposure time with yor ND3+ND8 filters, and then adding reciprocity failure rate ? Reciprocity + is for you : • 29 Filters : CTO, CTB, Green series, ND serie and more • 110 Reciprocity charts included. • Design your own chart or modify an existing one • Share your charts with PInhole Assit App, • Share by email •Available charts : • A chart adapted from Jim Shull's The Hole Thing • Two charts for RC photo paper , • 400TX,TMX,TMY,HP5+,100 Delta (source APUG forums) • max 400, T max 100,TRiX & Plus 125, Ilford films (Without Lenses website ) • Official Ilford films. • Ektachrome, Fujichrome, Agfachrome and + from "Using the View Camera". • Arista films (courtesy of David Aimone) • Ilford Pan F, Fuji FP100, Fuji Neopan 100 ACROS, Ektar 100 • Fuji FP 3000B • and more (119 films). • A timer, of You can quit the app, no matter what you do, the timer will notify you when the exposure is over. From the makers of Pinhole Assist.

The exposure tool that thinks like a photographer. Dial in your exposure. See equivalents instantly. Calculate ND filters. Correct for film reciprocity failure across 17 film stocks. No guesswork, no wasted frames. Expose is a fast, focused calculator for film photographers, landscape shooters, and anyone who shoots manual. Three linked dials — shutter, aperture, ISO — give you equivalent exposures at a glance. No subscriptions. No ads. No account. Pay once, shoot forever. FEATURES - Linked exposure dials — change one value, the others adjust to maintain EV - Lock any dial to control which value compensates - ND filter calculator with stacking (ND2 through ND100000) - Film reciprocity correction for 17 stocks including Portra, Tri-X, HP5, Acros, Ektar, and Delta - Sunny 16 quick-reference chart for metering without a meter - Save up to 20 exposure presets for your common setups - Dark mode and light mode — readable in the field or the darkroom BUILT FOR PHOTOGRAPHERS WHO KNOW THEIR CRAFT - No tutorials. No onboarding. Launch and shoot. - No network connection required — works anywhere - No data collected. Zero permissions. Your tool, your privacy. - Under 2 MB — lighter than a lens cap