Star Exposure Calculator is app that helps you calculate right exposure settings for pin sharp stars in astrophotography, and to teach you more about your astro equipment.

Features:
• Calculate star exposure via simple or complete NPF rule for pin sharp stars
• Calculate star exposure via 500 rule
• Calculate Focal ratio of your telescope
• Calculate Magnification of a telescope and eyepiece combination
• Calculate Maximum Telescope Magnification
• Calculate True Field of View of your telescope

We constantly update the app to provide more features that users are looking for, so expect even more with future updates.

Thank you for using Star Exposure Calculator app.