Tools › Exposure & light
Time-lapse
Tell it how long the event lasts, the interval between shots and the frame rate of the video: you get the number of photos, the clip length and the card space.
How it works
Photos = event time ÷ interval. Clip length = photos ÷ frame rate. A rule of thumb for intervals: 1–2 s for fast clouds and traffic, 5–10 s for sunsets, 15–30 s for stars.
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More tools
Exposure triangle
Change one setting and see what the others must do: equivalent exposures and the EV.
ND filter & timerYour new shutter time with 1 to 20 stops of ND, and a countdown for bulb mode.
Golden & blue hourSunrise, sunset, golden and blue hour for any place and day, with the sun's path.
Stars without trails (NPF)The longest exposure for pin-sharp stars, by the NPF rule and the old 500 rule.