My best current lens is the 14mm 2.8 L II. it is wide enough that at 30sec exposure the star trail is very small, and the 2.8mm is pretty fast. I've heard the 24mm 1.4 is the best of both worlds, as far as wide-angle and speed is concerned, and I have been drooling over it for a while now. My other thought is to get a star tracker and then combine a foreground shot with a star shot in post for the ultimate in low noise and sharpness.
I do indeed. my go-to lens is the 16-35mm f/2.8 L II, because it lets me get some of the landscape in as well. I do wish I had a wide angle prime in the 16 to 35 range that let me go wider than f/2.8, which is still a little slow for me sometimes.
A "Star Tracker"? I've never heard of that. Is it software or a device?
Quote from: GoodVendettaPhotography on December 17, 2012, 10:39:30 PMA "Star Tracker"? I've never heard of that. Is it software or a device?A device. You put it on top of a tripod, and it is kinda like a wedge whose angle must be set to an angle corresponding to your latitude. A motor on the wedge then drives the camera/telescope mounted to it at 1 rev per 24 hours, thereby "despinning" the Earth. Or to put it another way, it compensates for the rotation of the Earth when you take long exposures, so you don't get star trails. So you can expose for very long times.Martin