• ND Filter Timer 1
  • ND Filter Timer 2
  • ND Filter Timer 3
  • ND Filter Timer 4

ND Filter Timer

Simple calculator and timer app for DSLR photographers taking long exposure shots using Neutral Density filters.
Select the shutter speed applicable without the filter then select the filter you intend on using. The shutter speed you will then need to use will be displayed, the timer will be available if it is 4 seconds or longer.Current features:
- Shutter speeds 1/8000 to 30 seconds at 1/3 stop intervals
- Single 1 to 16 F-stop and ND400 filters supported
- Timer complete notifications supported on Android Wear devices

If you have any problems, experience any bugs or would like to make any suggestions, please send me an email.

Category : Photography

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Reviews (30)

Pau. A. Feb 19, 2019     

Almost perfect. I have two suggestions for the developers: 1. Like many, I stack a second ND filter on the lens and it would be REALLY helpful to have an input box to add in a second filter's details. 2. I'm using a filter that actually measures ND400 and I was lucky to see it hiding at the top of density range. Obviously it would make sense to place it between the ND256 and ND512. Otherwise a superb app.

Gar. S. Sep 18, 2018     

Good app, does what it says and easy to use. Sensible shutter speed settings unlike other similar apps

Iai. L. Apr 27, 2019     

Simple design but suports 16 stops and works.

Ric. H. Oct 16, 2016     

Works perfectly. As well as the audio alarm, there is a vibration alarm too, really handy. Simple to use, and allows for all sorts of filter combinations.

Ton. P. Jun 2, 2018     

Works great for me. Very simple but effective. Nice large fonts. Easy to navigate. I love how there are choices from 1/8000 sec all the way to 30 sec in 1/3 stops. Also from 1 to 16 stop filter options to choose from.

Mar. T. Nov 4, 2017     

Awesome simple app. Some improvements would be, possibility to change the EV and a proper ring not just a notification.

Tom. A. May 19, 2017     

Good app, but it would be nice to be able to stack filters too. Other than that, the design is clean and super simple to use!

Jos. R. Jan 14, 2017     

Great tool. One of the few which goes up to 16-stops.

Mic. M. Jan 16, 2017     

Saves from making mistakes when calculating shutter speed as well as immediate calculation! Wish I installed this sooner! The timer feature is a bonus! :) A photographer's must have!

Hex. Jun 30, 2016     

This is useless without the option to tell the app what aperture & ISO you're shooting at. This app would have been perfect as the interface design is really nice. Hopefully you can update this with an aperture & ISO option.

Sar. D. Jun 25, 2015     

Simple and easy way to calculate length of exposure. Like the way it vibrates and alarms to let you know complete.

A. G. u. Oct 9, 2015     

Works well from the testing I have done. For this to be able to be used in the real world it has to stay simple, quick and easy to use.

Owe. G. Jul 5, 2015     

I don't know what exposures like 1/2.5 mean so it should have an option to display 1/2.5 as 0.whatever

sri. k. Nov 13, 2015     

It is nice and simple. But how do I include multiple ND filter info and make settings accordingly.

Сам. С. Jul 5, 2016     

The best app i use to calculate the time thanks a lot

Bri. R. Aug 29, 2016     

All you need, quick to use.

Joh. C. Jun 12, 2016     

Saves time easy to use

Lui. N. Feb 21, 2016     

Perfect tool to help calculate the exposure time!

Ted. M. Mar 17, 2016     

Useless if you use filters above 16 stops (ND 4.8). So for us that use ND1000 or ND100000... waste of space. To developer... your email does not work. "550 No Such User Here"

Ric. W. Aug 20, 2015     

Very useful with the big stopper and Lil stopper

Mat. M. Jan 3, 2016     

Godsend. Love it

Zac. U. Aug 24, 2016     

Not sure what calculation this is doing

Ser. B. Apr 2, 2015     

Please include every step from 10 to 16 because some users are stacking two filters to get longer exposures. The 13 and 16 stop ND filters from Formatt Hitech are popular right now.

Hot. Jan 21, 2015     

I really like this but one suggestion is on the next update don't only have it limited up to 10 stop, also add a 16 stop.

Ard. T. Jan 21, 2015     

Very useful app for photography with long exposure with ND Filter..

Rob. B. Jan 25, 2015     

Perfect ND Calculator with countdown, the best I have found. Many thanks to the developers.

A. G. u. Feb 15, 2017     

What am I suppose to do with this if there is no aperture nor iso. I don't think any of these developers own a dslr.

Mic. R. Mar 17, 2015     

It would be nice to have the f- stop as a choice to calculate time for neutral density filters. I couldn't find a reference I'd give it 10 stars.....

Bil. B. Nov 8, 2017     

Simple to use. Timer a great feature. Nicely programmed app. Nice big font.

Say. C. Nov 5, 2015     

This is very useful app for photographer... Not only new comers.. For all...