500 Rule (Star Trails) Calculator
Estimate 500 rule (star trails) calculator using practical photography and optics formulas for planning shoots and gear choices.
500 Rule Exposure
20.83 s
Conservative Exposure (400)
16.67 s
Estimate 500 rule (star trails) calculator using practical photography and optics formulas for planning shoots and gear choices.
500 Rule Exposure
20.83 s
Conservative Exposure (400)
16.67 s