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Old Nov 2, 2004, 1:28 PM   #11
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FYI the listing in Adorama says that this lens has a non-removable pedal shaped lens hood. Are we talking about the same or different lenses here?

http://www.adorama.com/SG1530EOS.htm...&item_no=4
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Old Nov 2, 2004, 1:32 PM   #12
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Sigma site confirms that this lens has a fixed hood.

http://www.sigmaphoto.com/html/lenschart.htm
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Old Nov 2, 2004, 2:00 PM   #13
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We're talking about the exact same lens!

"In fact, the lens is shipped with a hood/ring that slips over the petal and provides an 82mm filter thread (as shipped this is occupied by a lens cap). When attached to the lens, this extra hood does NOT vignette the image on these cameras. This extra hood is not just a lens cap (the cap portion comes off) to be left in the camera bag.
My advice is to always leave this attached to the lens, and just remove the lens cap itself. Not only will this allow you to attach an 82mm polarising filter (or in fact any other 82mm filter you want to use) but it provides important protection from flare...
"

http://www.burren.cx/photo/ultrawide/1530v1740.html

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Old Nov 2, 2004, 2:33 PM   #14
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Well, thank you for posting that link, I was not aware of that hood/lens cover.Perhaps this info will help someone else make a different choice than I did. Had I been armed with this info I would have made this lens my wide angle zoom.

Here is a recent shot taken at 6:15pm after four other photographers had put their equipment away. There are no doubts in my mind that someone will come along and say it could be sharper or have better contrast. This is a better shot than the four guys who had put away their equipment got. This was the Sigma 20mm.




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Old Nov 2, 2004, 3:43 PM   #15
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Excellent!

-> It's always the photographer behind the camera and not the lens (fast) :-):-):-)
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Old Nov 2, 2004, 4:22 PM   #16
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Very nice, what was the shutter speed?
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Old Nov 2, 2004, 4:35 PM   #17
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That was either a 3.2 or 4sec exposure. If you look at the tall grass in the FG you'll see motion blur, it's a result of an up draft from the falls. The haze is also from the mist from the falls and will always show in a longer exposure. It's a trade off if you want the water to have that silky look.
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Old Nov 3, 2004, 12:23 PM   #18
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Too bad Canon didn't make the 17-85IS & 10-22 USM lenses to be used other than EF-S lenses. That 10-22 would be good on your 10D IF it wasn't an EF-S lens & would be nice on my 300D, but the price . . . quite expensive. I may want to sell my Canon 20-35 USM for something wider - like maybe the 17-40L.


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Old Nov 3, 2004, 3:04 PM   #19
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FYI

http://www.16-9.net/ultrawides/
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