 Dan j. Hillis |
Star Trails advice Took about a hour and a half drive out to Joshua Tree NP to capture my first star trails photo. Using a Canon 10D with a 17-40mm lens and my new Manfrotto pod, I was ready to rock and roll. So I set the lens @ 27mm (don't know why) focus set on MF, set the camera at bulb apture @ wide open f4, set my remote @ 1min countdown and set the exposure @ 30min. Camera pointed @ SW skies with some rock formations in the foreground. Great view could see the milkyway very nicely. At about 9:20pm turned the camera on pressed start on the remote, countdown started and in 1min photo was being shot. After 30min photo was done I checked out the results on the preview window it looked really cool. Then set up for another 30min pointed to the W, when done previewed and was happy. Then I got home and downloaded photo's to my computer and I was NOT a happy camper. My focus was off for one thing and the noise was just ridiculous! Here is the info for the First shot. If you can help me out I would apperciate it greatly. File Name CRW_1234.CRW Camera Model Name Canon EOS 10D Shooting Date/Time 7/22/2004 9:30 pm Shooting Mode Manual Tv( Shutter Speed ) 1799 Av( Aperture Value ) 4.0 Metering Mode Evaluative ISO Speed 100 Lens 17.0 - 40.0mm Focal Length 27.0mm Image Size 3072x2048 Image Quality RAW Flash Off White Balance Auto AF Mode Manual Focus Parameters Contrast Normal Sharpness Normal Color saturation Normal Color tone Normal Color Space sRGB File Size 5712KB Custom Function C.Fn:01-0 C.Fn:02-0 C.Fn:03-0 C.Fn:04-0 C.Fn:05-0 C.Fn:06-0 C.Fn:07-0 C.Fn:08-0 C.Fn:09-0 C.Fn:10-0 C.Fn:11-0 C.Fn:12-0 C.Fn:13-0 C.Fn:14-0 C.Fn:15-0 C.Fn:16-0 C.Fn:17-0 Drive Mode Single-frame shooting Owner's Name Camera Body No. 1420502800 One thing I did not do (don't know if it matters) was cover the viewfinder, one other thing In the first shot I had a couple of cars drive by but all that seemed to do was make a light trail. Finaly how do you focus in the dark I was trying to but could not really make out anything. Again thanks for any advice you can offer. Thanks dan
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