Bad Milky Way Calc
I’m getting 44 seconds at f 3.5 and 4 seconds at f 3.4. Something is wrong with your calculations.
Yes, PhotographyCalc is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
PhotographyCalc is free.
To get estimated revenue of PhotographyCalc app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
I’m getting 44 seconds at f 3.5 and 4 seconds at f 3.4. Something is wrong with your calculations.
If you put in 24mm, F1.4 and iso 2500 you got 29min 54s??? Plus, a full frame 24mm F1.4 lens should not expose for 56 seconds at iso 800.