# Optaxis — FF / MF / LF tools & community > FF / MF / LF tools & community (iPhone/iPad app by XIAO MIN NI.) - Source: https://appshunter.io/ios/app/optaxis/id6760964267 (this page in markdown: same URL + `.md`) - Developer: [XIAO MIN NI](https://appshunter.io/developer/1887064548) - Category: Photo & Video, Social Networking - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 17.0 · 113 MB - Languages: American English, Japanese, Chinese (Simplified, China), Chinese (Traditional, Taiwan) - Released: 2026-04-29 - Data updated: 2026-08-21 - User reviews in markdown: https://appshunter.io/ios/app/optaxis/id6760964267/reviews.md ## What is Optaxis? Optaxis - Master the Axis, Connect the Like-minded This is not another filter camera app. Optaxis is a pro toolbox and community for 35mm full-frame, medium & large format, Leica, Sony, Fuji, Canon, Nikon, Panasonic, Hasselblad, Phase One, ALPA technical cameras, and film. 23 engineer-grade toolsets (40+ sub-tools), a 400+ lens spec database, a global community, and an AI assistant - all in one app. 23 PROFESSIONAL TOOLSETS [PRE - PLANNING] - Weather & Light - live weather, golden / blue hour, moonrise & set, clouds - Aurora - regional visibility, cloud + moon factors, 3-day forecast - Burn Sky - multi-day burning-cloud index, probability model, share poster - Tide - tide forecast, photo / surf / fishing presets, multi-day charts - Specialty Weather - sea-of-clouds / rime / alpenglow probability, 28 locations - Field of View & Focal - 7 bodies x 19 backs, 35mm equiv, shift-stitch, image circle, DOF / hyperfocal - Scout - map sun / moon / Milky Way planner, azimuth, rise / set, spot check-in - Plan - pre-shoot planning, gear checklist, WeatherKit, linked log, cloud sync [SHOOT - IN THE FIELD] - Compose - multi-focal overlay, 9 grids, 6 live B&W filters, RGB histogram - AR Viewfinder - live overlay, level, light meter, sun / moon / Milky Way AR, AI Vision - Exposure - exposure triangle, EV, ND, bellows, film reciprocity - Scheimpflug Tilt / Swing - tilt / swing angle, focus distance (to f/64), linked DOF - Live Shift - real-time architectural shift, multi-back image circle, WYSIWYG - Exposure Session - reciprocity, bellows, filter & manual compensation on one screen - Timer - long-exposure countdown, safe shutter speed, cable release - Compass - true / magnetic north, declination, precise bearing [POST - DARKROOM] - Film Dev - 5-step wizard, +/-0.5C control, batch decay compensation, 11 verified recipes - Darkroom - dodge / burn notes, 4 safelights, F-stop test strips, MG filters - EI Calibration - reversal Zone VIII algorithm, community distribution, one-tap share - Reciprocity - reciprocity-failure curves, push / pull, multi-brand reference - Print Size - DPI rating, stitched megapixels, museum-grade, wall-mount preview [LOG - RECORD & SKY] - Diary - gear / params / notes, 12-field film mode, 2 clips, auto EXIF, cloud sync - Astro - star trails (500 / NPF), Milky Way, sun & moon paths, eclipse catalog 2026-2035, meteor showers, 53 stars + 5 planets AR EQUIPMENT ARCHIVE Manage bodies, backs, lenses, filters, kits, and film. Spec library: Leica M/SL/S, Hasselblad XCD/HC, Fuji GF, ALPA HR, Schneider / Rodenstock LF. Side-by-side comparison plus cloud sync. UNCOMPROMISED QUALITY Native HEIC, 10-bit Display P3, up to 80MB originals. Full dynamic range and color for medium and large format. GLOBAL PHOTOGRAPHER COMMUNITY - Multi-image posts - main + 100% detail crops, 9-image upload - Global map - discover nearby, spot check-in, meetups, community studios & dev labs - Hashtags, collections, Daily Inspiration, themed contests - Direct & group chat - text, image, file, equipment cards, params, group events - Voice & video calls - in-call photo + EXIF, equipment cards - Verification badges - ALPA, Cinema Lens, Leica, Hasselblad, Fuji, Large Format - Safety - report, block, moderation, AI pre-upload screening AI PHOTO ASSISTANT XiaoGuang AI - photo critique, captions, bio, log analysis, voice-to-text. Knowledge base across Leica, Hasselblad, Fuji GFX, ALPA, large format. Mention in group chats; CN/EN auto-translate. ARTICLES & NEWS In-depth Tips, industry News, community submissions, auto CN/EN translation. SUBSCRIPTION Free to use all calculators and community features. Pro unlocks the AI photo assistant and more. Monthly and yearly; pricing in-app. Billed through Apple ID, auto-renews, cancel anytime in Settings > Apple ID > Subscriptions. Terms of Use: https://optaxis.app/terms.html Privacy Policy: https://optaxis.app/privacy-policy.html Support: https://optaxis.app/support.html ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Yearly | $49.99 | per year | | Monthly | $5.99 | per month | ## Version history (last 5 releases) ### 2.3 — 2026-08-15 · Lightning: the new Recon · Storm Forecast — an opportunity index, hourly and three-day outlook, nearby storm scan, capture presets, a field guide, and saved spots · Now Free: Specialty, Tide and Aurora no longer require Pro · Colour Recipes: import your own recipes into the Loading Bench, load film with a four-step guide, and keep every recipe synced to your account · Metering Upgrade: spot metering zooms in as you meter, zone readouts now share one scale, and a long-press on the Home Screen icon jumps straight to metering · Roll Album: archive by the roll — open a roll, place your contact sheet, batch-write EXIF, location and time, export a long index sheet, and see the real cost per frame · Points for Film: redeem a new roll with Points earned by shooting, joining challenges and inviting friends · Accessories: flashes, tripods, gimbals, microphones and sliders join the catalog, counted with your bodies and lenses in the kit total weight · Gallery Refresh: pinned header with Recommended / Latest / Following, a redesigned share card, and comments right inside the post ### 2.2 — 2026-08-05 · New Film Development Q&A — crowdsource answers to tricky development cases · Film Catalog + film digitizing; My Films now supports custom stocks & recipes with cloud sync · Compose·Meter upgrades: guided spot metering, shutter-priority, Zone system, color-temp prediction · Shooting Plans: multi-day schedules, reference-image wall, review-before-publish for public plans · New "Action Cam" gear category and more models; lens compare adds "minimum focus distance" · One-time Lifetime unlock for all Pro tools; privacy & stability improvements ### 2.1 — 2026-07-14 Version 2.1: · Film development: editable built-in steps and custom developer recipes · Metering: film ISO auto-syncs to your chosen stock, shutter snaps to 1/3-stops, grayscale anchors expanded to full Zone 0–X, and new per-device meter calibration · Gear library +55: Foma films, Fotoman 8×10, Schneider/Voigtländer large-format lenses, and more · Points center consolidated into two cards, with a new daily-challenge reward · Stability fixes (shooting journal, add-gear, viewfinder permissions) ### 1.8.6 — 2026-06-29 This update brings 4 major new features: [Dark Sky Explorer - new] Find the nearest dark-sky spots · read real light-pollution levels (Bortle / SQM, from VIIRS satellite data) · tonight's shootability poster · one-tap navigation · save favorite spots [Shareable Shooting Routes - new] Build your route guides · public / private · save · like · one-tap copy & import · share via link / QR · send route cards right in chat [Lens Kit Presets - new] Save your go-to body + back + lens combos and switch setups in one tap [Pro Regional Offline Packs - new] Download offline maps & data and keep working with no signal, offline-first for speed More improvements: · Spot video uploads (≤15s) · Referral rewards (a friend converts to paid, you get +1 month of Pro) · In-app QuickLook preview for files in chat + send confirmation · Many new curated spots: Lushan, Northern Xinjiang (Hemu / Kanas), New York · New lenses: Rodenstock HR Digaron-S 60 / 100, Fujifilm GF670 / GF670W, ALPA Macro Switar 105 · Dynamic Type support across the app · Much faster maps, major stability improvements, and many crash & lag fixes Thank you for using Optaxis! ### 1.8.5 — 2026-06-19 Thanks for using Optaxis! In this update: - Trips are here - view and share "My Trips," guests can restore their trips, and organizers get sign-up management - Improved moon-phase accuracy - illumination now uses the Meeus phase-angle method, centered phase names, and thin crescents are clearly visible in thumbnails - Aurora forecast refinements - photography tiers aligned across client and server, with snap-to-current-location correction - Fixed Pro-lock flicker on the tools screen at cold start for Pro users, and a blank Burn Sky badge - Various stability improvements Questions or feedback? Reach us in the app. ## Related topics [optaxis](https://appshunter.io/ios/topics/optaxis) · [nextshot for dribbble](https://appshunter.io/ios/topics/nextshot-for-dribbble) · [pearla iii](https://appshunter.io/ios/topics/pearla-iii) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-21.*