# Lumenary — Convert, calculate, create!

> Convert, calculate, create! (iPhone/iPad app by Electric Eye AB.)

- Source: https://appshunter.io/ios/app/lumenary/id6751862374 (this page in markdown: same URL + `.md`)
- Developer: [Electric Eye AB](https://appshunter.io/developer/1799563919)
- Category: Photo & Video, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 1 MB
- Languages: American English
- Released: 2025-09-09
- Data updated: 2026-05-18
- User reviews in markdown: https://appshunter.io/ios/app/lumenary/id6751862374/reviews.md

## What is Lumenary?

Flip your light values between F-stop, T-stop, EV, lux, lumen and FC/foot candles. Convert readings from your light meter, determine T-stop on lenses without a proper T-stop scale, evaluate gear specification, photometrics and lighting needs.

Transform shutter angles to shutter speeds, adjust ISO and calibration constant - stay in control.

Add filters, modifiers, push/pull to your result to keep track of exposure!


## Version history (last 2 releases)

### 1.3 — 2025-09-12

Minor fixes.

### 1.2 — 2025-09-09

No release notes.

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## More apps by Electric Eye AB

- [Lumenary](https://appshunter.io/ios/app/lumenary/id6743343918)
- [GhostOSC](https://appshunter.io/ios/app/ghostosc/id6753625323)

All apps by Electric Eye AB: https://appshunter.io/developer/1799563919

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*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 2026-05-18.*