Thanks, Jim. The ISO was 2000 and the aperture was set to f 2.8 on a 16-35 mm zoom. Jon Christensen -----Original Message----- From: Jim Warthman Sent: Tuesday, June 07, 2011 8:28 PM To: az-observing@xxxxxxxxxxxxx Subject: [AZ-Observing] Re: Milkyway time lapse Hi Jon, This was really spectacular! Would you mind saying what ISO and aperture you used for your 30-second exposures? Thanks, Jim -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.