Expoly ( long exposure calculators )!

Expoly ( long exposure calculators )Is an iPhone and iPod touch application providing a collection of photography-based utility tools, delivered in a clean UI design and ment to complement your skills and gear, whether a pro or enthusiast photographer.- ND filters- Star trails- Still stars- Daylight information- Time lapse ND filters ( exposure calculator) Calculate your shutter speed when using Neutral Density filters and/or Circular polarizer filter - 1-STOP to 20-STOP ND filter(s) value input - 1/3 stop exposure increments - circular polarizer filter add-on at a tap of a button - timer for longer shutter speedsQuickest one-page UI for calculating your shutter speed when using ND filters, no redundancy, no clutter, essentials-biased clean design. Star trails calculator Earths rotation on its own axis makes the stars appear to move on the night sky ( 2,5 degrees/10 min.) Time lapse calculator - calculate your event duration - calculate your clip length - calculate your delay - frame count result for all calculations - variable fps for calculation, 24-25-30Research, experiment, be curios