Anyone here have experience with Sigma lenses?

I have had some good Sigma lenses and some not so good ones. I do have the Sigma 10-20mm f/4-5.6DC EX HSM that I use on my D80, and it is a very good wide-angle lens. I recommend it highly.
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Yes, I have the 24-70 f2.8 and use it all the time.

 

I *had* their 20mm f1.8, the quality was awful. I'm sure they have some that are good, but I doubt I'll another.

 

I also borrowed the 10-20 from a friend when I first got my camera. Played around with it. Didn't know what to expect so can't really comment on quality as it was the first time I used a wide-angle. Here's a photo using it.
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sorry, silly question, but are the sigma lenses auto focus?

 

The recent ones are, of course.

 

I have a Tokina 12-24 f/4 and like it very much, although i find myself not really using it too much.. Pre-owned they run ~$350-400

 

What he said. Except on a T2i.

I just bought the 10-20mm about two weeks ago.

Bought it off Used Victoria (local buy and sell website) for $475 with a 77mm UV and Polarizer. Mint condition, in box. The damn thing retails for ~$700 up here. And the filters together new would have been about $300, I figure I got it for half off!

As for the lens itself, I've been using it nonstop since I got it. My 18-55mm never gets used anymore, it's either the wide angle or a 50mm f-1.8 .

 

thanks! *goofy smile*

 

I have a Sigma 10-20 and 70-200, both great lenses, espcially when you compare their price to the Nikon equivalent. The 10-20 does have a reputation for dodgy QC, (can be slightly soft on one side), so make sure to take some test shots and exchange it for a fresh one if need be.

 

When shopping for Sigma lenses go with the EX line as they are there professional grade.

I have a Sigma 120-300 f/2.8 EX HSM that I have used since 2004 without any issues. Here is a shot taken with my old D-100.

http://www.jetphotos.net/viewphoto.php?id=5945558

 

Here a few examples of my Sigma lenses:

Camera: Nikon D200
Lens:
- Sigma EX Fisheye
- Sigma 50-500mm ("BigMa")

Needless to say I love these lenses.
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I've used a Sigma 28-200mmD with a D70 for a few years. Nothing fancy but it seems to work just fine. One of these days I'll get a fancy and bigger Nikkor and maybe a fancy new Nikon, but until then this combo seems to work just fine.