NDTimer
Detailed App Info:
Application Description
NDTimer is an iPhone and iPod touch application useful for calculating and timing correct exposures when using Neutral Density(ND) filters, particularly for long exposures with a filter of 6+ stops. NDTimer also provides a "stack filter" option allowing users who are stacking a second filter (including a polarizer) on top of their first, to calculate exposure times accordingly.
Requirements
Your mobile device must have at least 224.63 KB of space to download and install NDTimer app. NDTimer was updated to a new version. Purchase this version for $0.99
If you have any problems with installation or in-app purchase, found bugs, questions, comments about this application, you can visit the official website of Three60 Threesixty Digital Design Co. at http://three60.com/services/apps-widgets/ndtimer/.
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