will king 0 Posted March 3, 2006 Just amazing John. Can you provide some tech inof on this shot? Camera and lens used, f stop, expose time? Thanks. Link to comment
newfocus 0 Posted March 3, 2006 Hi Will, No problem. I'd put the exposure info in the technical details section but the equipment's a Canon 5D with 17-40mm f/4 at the 17mm end. The foreground's lit by the remnants of light approx 90 minutes after sunset and a very new moon behind and to the left of the camera. Usual curves, levels, saturation and sharpening stuff done in Photoshop but nothing fancy. cheers, John. Link to comment
mmurphy 0 Posted March 3, 2006 This is fantastic. The moon lighting is great, the framing is excellent, and the exposure just right. Great shot. Link to comment
will king 0 Posted March 3, 2006 John, thanks for the info. I don't usually rate photos anymore, but I had to give you a 7/7 on this one. Great shot. I'll have to give this a try one night. How can you judge exposure with such a long shutter speed? Link to comment
newfocus 0 Posted March 3, 2006 Will, My usual metering technique is fairly crude but seems effective in practice. I take a shot at a wide-ish apperture and high ISO for a few seconds (say f/4, ISO1600, 30s), check the histogram to see how it turns out exposure wise, adjust if necessary, then set the ISO and f-stop for the final shot and multiply the exposure time accordingly (e.g. if the histogram looked OK at f/4, ISO1600 and I wanted f/5.6 and ISO 100 I'd multiply the time by 32). If you're shooting in fading light (e.g. after sunset or with a setting moon) you need to take account of the fact that the light will have dropped by the time the exposure finishes and add a bit. I don't have a scientific way of working this out yet but doubling has worked reasonably well for me in the past (I'm working on a method for this and I'm happy to post what I find if I figure out anything worthwhile. There's no point contributing to a forum and being secretive about your technique :) ) but at worst you end up with a slightly under-exposed foreground which I like in this kind of shot anyway. I hope this helps. cheers,John. Link to comment
mike_grindstaff1 0 Posted March 4, 2006 Man this is good for sure...I love the color in the sky...your best work yet I believe...I am yet to get out and try this like we talked...maybe tonight...lol Link to comment
seandepuydt 2 Posted March 4, 2006 John, this image is pretty amazing for two reasons. 1. I really like star trails, something that I haven't tried before. 2. Technical, the Canon 5d and 33 minute exposure? I mean come on, this doesn't look like there was any noise. Next you will tell me that it was at ISO 1600 or something goofy like that. It's a cool image (cool is my new term for images this week). Congrats - Sean Link to comment
seandepuydt 2 Posted March 4, 2006 John, just looked at technical details and I see this is ISO 100. Link to comment
rinconesdecanarias 0 Posted March 4, 2006 increible.Siempre me atrae este tipo de imagenes.Felicidades por la foto.un saludo Link to comment
george_andreou 0 Posted March 5, 2006 Lovely shot, and very good of you to take the time to explain how it was done. Much better than just seeing a photo, which only tells half a story I feel. Link to comment
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