Icon LEE Filters - Stopper Exposure

LEE Filters - Stopper Exposure

  • Photo & Video
View in App Store

LEE Filters - Stopper Exposure

  • Photo & Video
12 ratings
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View in App Store

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User Reviews for LEE Filters - Stopper Exposure

Simplicity is great

I have always admire people who could simplify things. By this standard the author is great

Acock44, Apr 02, 2018

I just bought the PolarPro filters and was surprised that there wasn’t an app to help go along with the filters. So I downloaded this one and it’s great!

DalePhoto, May 29, 2020
Extremely Helpful

Quite the handy app when using ND filters. Even works with both my Cokin 10 & 6 stop filters.

kreygscott, Oct 27, 2017
great design

nice simple design that is super easy to use. thanks

rongreer, May 31, 2017
Could be better

It is simple calculator with timer and nothing wrong about it but it could be better.It doesn't make sense to take exposures beyond 30s with digital. Anything above that can be averaged in post without additional sensor noise.Film however can be exposed for long time. It would be nice if we could add reciprocity failure factor, or even better if there were preconfigured film options.

rOOmak, Nov 13, 2022

Great simple app for my lee stoppers :D

TheWarder500, May 14, 2017


This is the official exposure guide for photographers using LEE Filters range of Stopper long exposure camera filters. It's designed to help you get the most from your Big, Little and Super Stopper filters - accurately calculating the precise exposure you require and offering a flexible timer for very long shutter speeds. Tap the menu at the top to select your Stopper: 6 Stops = Little Stopper 10 Stops = Big Stopper 15 Stops = Super Stopper Turn the left hand wheel to dial in your metered shutter speed (before you insert any filters) and read the adjusted exposure on the right hand wheel.

The app converts a full range of shutter speeds in 1/3 stop increments. Use the built-in countdown timer for any exposure over 5 seconds and see in a glance how long you have left. For very long exposures you’ll also get a reminder notification plus all countdowns finish with an alarm and a timestamp. There’s also a handy User Guide and links to a variety of informative and inspirational web resources to support your Stopper photography.

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