1:ND Filter Shutter Speed Sheet.(Just Swipe)
2:ND Filter Calculator.

So Easy and Useful.
It is very helpful when taking a long time exposure photograph.

■1:ND Filter Shutter Speed Sheet.
ND Filter Stop : 1Stop(ND2/0.3)〜10Stop(ND1024/3.0)
Shutter Spead : 1/8000〜30s

■2:ND Filter Calculator.
In the case of over 1 second,Please use the calculator.

Please take advantage of this application and enjoy great a long time exposure photography.

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■World Review

Great !!! ★★★★★
Does exactly what it is suppose to do ! Very easy to use !!! Thanks !!!

Awesome!! ★★★★★
Awesome app. No need for any calculation, just have your camera meter the scene and all you need to do is compensate the time you need using this chart to keep the shutter open depending on how much stops of ND filters you stacked.

Simple and Easy ★★★★★
A well designed straight forward chart.

Simpele And effective ★★★★★
Everything you need , nothing fancy thought works very simple , got nothing to add just an amazing app

Does what's supposed to ★★★★★
Very simple app that does exactly what's it supposed to do. Tried others and in my opinion this works best.