Great free Polar Pro Filter app.

[Ikopta]

You maybe already on it, but just in case, there's a great free app from polarpro that helps take the guess work out of ND filter selection BEFORE you take-off.

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[NortiRascal]

im a sub to your channel on youtube....many thanks for the video Dylan....very good app....

 

[Rebelmark75]

Can't find this app on the App Store...

 

[NortiRascal]

android its called filter calculator by polar pro...dont know for apple devices....

 

[locoman]

there is an iOS app for iPhone

 

[USAirborne]

Can't find this app on the App Store...

In the App Store type in search polarpro filter calculator.