On Thu, Oct 20, 2011 at 2:21 AM, Larry Colen <[email protected]> wrote:
> http://www.flickriver.com/photos/ellarsee/sets/72157627935602764/ > > Each was shot at a different combination of ISO, shutter speed and aperture, > varying from ISO 1600 to ISO 100. > > One thing that I learned is that I'm going to need to go out during the day, > focus my lenses on infinity and mark exactly where that is. How did you focus these? I would guess that Live View would be the way to go. The star trails look pretty well controlled at 80 seconds in these shots. For fun, you might try uploading to nova.astrometry.net, the blind astrometry solver, which will identify objects in your image. Or you can add to their Flickr group: http://www.flickr.com/groups/astrometry Thanks for posting these. I was looking forward to seeing some examples. -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

