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Old 24-08-2011, 09:46 AM
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iceman (Mike)
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Join Date: Sep 2004
Location: Gosford, NSW, Australia
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Help with widefield astro/landscapes lens (ultrawide 10-22mm)

Hi guys

Since I'm not going to be able to afford to get a 5D Mk II in the near future, I think I'll get the 10-22mm lens instead.

The Canon one is around $800-$900 new (will probably buy 2nd hand), and is f/3.5-f/4.5

There's also a Sigma one (10-20mm) that's a little cheaper.

Ideally I want it as fast as possible for timelapses. At the moment I have to do 15-30 second exposures. The 5D Mk II guys can do 8s.


So, some opinions please.

1. Are there any other lenses in that range that I should be considering? (will go on a Canon 40D). Price < $1000.

2. Which, out of the Canon or Sigma, would be better? I had a Sigma 17-70 and it was great.

3. Can anyone share any astro landscapes (widefield sky, landscape + sky) taken with these wide lenses.

Cheers
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