About ND Filter Calc & Drone Pro
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
Questions or feedback?
[email protected]
Previous Versions
Here you can find the changelog of ND Filter Calc & Drone Pro since it was posted on our website on 2019-07-10 18:12:43.
The latest version is 7.1.9P and it was updated on 2026-06-29 17:30:12. See below the changes in each version.
ND Filter Calc & Drone Pro version 7.1.9P
Updated At: 2026-04-16
Changes: Version 7.1.9:
- Fixed crash in tutorials
- Dependency updates
- Minor bug fixes
ND Filter Calc & Drone Pro version 7.1.7P
Updated At: 2026-03-04
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 Calc & Drone Pro version 7.0.1P
Updated At: 2026-02-12
Changes: Version 7.0.1:
- New navigation bar
- UI improvements
- Bug fixes
ND Filter Calc & Drone Pro version 6.0.5P
Updated At: 2025-10-17
Changes: Version 6.0.5:
- UI bug fix in night mode
- Update of technical dependencies
ND Filter Calc & Drone Pro version 5.5.5P
Updated At: 2025-08-26
Changes: Version 5.5.5:
- Fix crash on some devices
- Optimize App size
- Performance improvements
- Update of technical dependencies
ND Filter Calc & Drone Pro version 5.4.0P
Updated At: 2025-01-07
Changes: Version 5.4.0:
- Use the expert mode as standard
- Troubleshooting in the settings
- Updating technical dependencies
ND Filter Calc & Drone Pro version 5.3.1P
Updated At: 2024-09-14
Changes: Version 5.3.1:
- Use a second ND filter in expert mode
- Update of technical dependencies
ND Filter Calc & Drone Pro version 5.2.0P
Updated At: 2024-08-21
Changes: Version 5.2.0:
- Support Android 14
- Fix critical Bug with Android 14
- Technical dependencies updated
ND Filter Calc & Drone Pro version 5.0.5P
Updated At: 2024-06-26
Changes: Version 5.0.5:
- Bug fixing and performance improvement
- Technical dependencies updated
- fix crash in tutorial view
- fix crash in calculation view
ND Filter Calc & Drone Pro version 5.0.2P
Updated At: 2023-10-17
Changes: Version 5.0.2:
- Bug fixing and performance improvement
- Technical dependencies updated
Disclaimer
Official Google Play Link
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