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NDCalc
by Boris Nienke


Screenshots are german but it's translated to english too.

You know the time without the filter -how long do you need to exp. WITH filter? Sounds easy but tell me quickly how long to exp. with an ND 1.8 if the time without filter is 1/320?

Now you can!

Set Filter and exp. time without the filter and you can see the correct time. In the example above 1/5

Even easier it shows you 5 because this is what you can set on a dSLR. Smaller letters showing you the actual time. For 12500'' it shows, that these are 3h, 28m and 20s.

For times of 4+ seconds you get a countdown button to easily stop longer exposures manually with a remote shutter release with alarm and vibration (if supported).

Download link

http://itunes.apple.com/app/ndcalc/id300699192?uo=5&at=10ldfa&ct=stwb




NDCalc by Boris Nienke on the App Store (iPhone, iPad, iPod touch, iPad Mini, iOS, iPad Air)