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Message: <blockquote data-quote="Don Kuykendall_RIP" data-source="post: 467237" data-attributes="member: 6277">You find the hyperfocal distance of the lens you are using at the aperture you are using. For example using my 11-16 at 16mm f2.8 the hyperfocal distance is about 15 feet. So you look around and find a light or a building or anything you can see that is at least 15 feet away and focus on that. Now everything past that will be in focus. Big difference if you are using a 50mm f1.8.  The hyperfocal distance is 230 feet. Now move to the 70-300 at 300mm the hyperfocal distance is over 2600 feet.So once you focus on anything that is further away than the hyperfocal distance of the lens you are using the stars will be in focus.</blockquote>