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Tag Archives: rule of 600

Picture of a boy looking through a telescope to represent astronomy

Articles I Like: 600 Rule?

PolyWogg.ca
May 16 2018

There is a rule that photographers use to figure out how long of an exposure you can do on a camera before you’ll start to see star trails. This assumes, of course, that you’re not TRYING to get star trails. Instead, you want those lovely little pinpoint stars. The classic rule says you take a set number of 600 and divide it by the effective focal length of the camera lens.… Read the rest

Posted in Astronomy | Tagged astronomy, astrophotography, guides, photography, rule of 500, rule of 600, star trails | Leave a reply
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