What ND Filter Calculator & Drone actually does (from store listing)
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 onc…
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? support@nd-filter-expert.com
Comparable Android apps
The five apps in Photography with the closest revenue to ND Filter Calculator & Drone. Click any to see its detail page.
Each forecast combines App Store rating, ratings count, monetisation model, pricing tier, IAP signals and ad-supported flag.
The base estimate is then multiplied by a per-category scaling factor learned from apps with founder-verified MRR.
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Full methodology covers input variables, accuracy bands per category and how we treat apps without comparable anchors.
See also the live data on ND Filter Calculator & Drone's tracker page for current rating, reviews and snapshot timeline.
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