Light calculator

Parameters
Crop factor | Custom:
Aperture ( f/2.8)
ISO
Shutter speed | Custom:
ND filter stop(s) Neutral Density (ND) Filter
Compensation stop(s) (< 0: underexposed ; > 0: overexposed)

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Calculation
  • Framerate = 24.000 => shutter time = 41.7ms
  • The required/allowed amount of light is: EV 7.7
  • |
    -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
    starlight to dim ambient light moon eclipse to night home interior neon lights to landscape after sunset bright light to weak sun bright daylight to direct sunlight
    Explanation
  • If too much light, use: lower ISO, smaller aperture, longer focal, ND filter
  • If not enough light, use: higher ISO, wider aperture, shorter focal, underexpose
  • Some examples:
    Based on work at web.forret.com and fredparker.com
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