About ND Filter Calculator & Drone
Calculate ND filter exposure times – precisely, quickly, in the field. The complete ND filter calculator for photographers, drone pilots and videographers. Seven specialized calculation modes for every shooting scenario....
Calculate ND filter exposure times – precisely, quickly, in the field.
The complete ND filter calculator for photographers, drone pilots and
videographers. Seven specialized calculation modes for every shooting
scenario. Whether you stack filters for a seascape, fly a DJI drone, or
shoot long-exposure video – get the right exposure time in seconds.
7 CALCULATION MODES
– Simple: shutter speed + ND filter = new exposure time
– Expert: combine aperture, ISO and up to 5 filters at once
– Bulb: long exposures in hours, minutes, seconds
– Reverse ND: pick your target shutter speed, get the matching filter
– Light / EV: filter based on aperture and ISO
– Drone: frame-rate based calculation (180° shutter rule)
– Vario ND: calculations for variable ND filters
BUILT-IN EXPOSURE TIMER
Tap your result to start the timer. Runs as a background service, alerts
you with sound and vibration. No stopwatch needed.
FAVORITES & CUSTOM FILTERS
Save your go-to setups per calculation mode. Search, sort and filter for
instant access. Create custom ND values for your specific gear (Tiffen,
K&F, Lee, Haida, NiSi, PolarPro and more).
LEARN AS YOU SHOOT
Full tutorial, step-by-step guides, and a real-world FAQ with 11
practical questions. Accessory recommendations for tripods, step-up
rings and filter brands.
ALL FEATURES
– 7 specialized calculator modes
– Stack up to 5 ND filters
– Dedicated Drone Mode
– Built-in exposure timer
– Custom ND filter values
– Full tutorial and FAQ
– Night mode / dark theme
– Screen lock during exposure
– 27 languages
– Privacy first, no unnecessary permissions
GO PREMIUM
Remove ads, unlock unlimited favorites and get full access to every
mode. Or download "ND Filter Expert Pro" as a standalone paid app.
Questions or feedback?
[email protected]
Previous Versions
Here you can find the changelog of ND Filter Calculator & Drone since it was posted on our website on 2020-06-28 03:29:15.
The latest version is 7.2.1L and it was updated on 2026-07-01 07:19:51. See below the changes in each version.
ND Filter Calculator & Drone version 7.2.0L
Updated At: 2026-05-28
Changes: Version 7.2.0:
- Redesign onboarding flow
- Add in app rating
- Clarification in app labels
- Dependency updates
ND Filter Calculator & Drone version 7.2.1L
Updated At: 2026-05-28
Changes: Version 7.2.1:
- minor bugfixes
- Dependency updates
ND Filter Calculator & Drone version 7.1.7L
Updated At: 2026-02-21
Changes: Version 7.1.7:
- Fixed crash in tutorials
- UI improvements for the new navigation bar
- UI bug fix for the title bar
- Expanded language support for Nordic and Asian countries
- Dependency updates
- Minor bug fixes
ND Filter Calculator & Drone version 7.0.1L
Updated At: 2026-01-21
Changes: Version 7.0.1:
- New navigation bar
- UI improvements
- Bug fixes
ND Filter Calculator & Drone version 6.0.5L
Updated At: 2026-01-21
Changes: Version 6.0.5:
- UI bug fix in night mode
- Update of technical dependencies
ND Filter Calculator & Drone version 5.5.4L
Updated At: 2025-08-20
Changes: Version 5.5.4:
- Fix crash on Samsung devices with Android 14
- Performance improvements
- Update of technical dependencies
ND Filter Calculator & Drone version 5.5.1L
Updated At: 2025-07-16
Changes: Version 5.5.1:
- Update of some filter names
- Add Support for android 15
- Minor bug fixes
- Update of technical dependencies
ND Filter Calculator & Drone version 5.4.0L
Updated At: 2025-01-02
Changes: Version 5.4.0:
- Use the expert mode as standard
- Troubleshooting in the settings
- Updating technical dependencies
ND Filter Calculator & Drone version 5.3.1L
Updated At: 2024-09-10
Changes: Version 5.3.1:
- Use a second ND filter in expert mode
- Update of technical dependencies
ND Filter Calculator & Drone version 5.2.0L
Updated At: 2024-08-17
Changes: Version 5.2.0:
- Support Android 14
- Fix critical Bug with Android 14
- Technical dependencies updated
Disclaimer
Official Google Play Link
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