Sigma 18-50mm F2.8-4.5 DC OS HSM

Announced Mar 3, 2009 •
Zoom lens | Canon EF-S, Nikon F (DX), Pentax KAF3, Sigma SA Bayonet, Sony/Minolta Alpha
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Hi, I'm looking to put down the EF-S 18-55mm soon. The IQ, focal range, focus, and maximum aperture isn't working for me. It's not bad though, from 18mm to 55mm. It's just the aperture, most of all. I'm looking for a cheap lens upgrade (sorry no L glass like the 24-105, 24-70, 17-40. I would buy it, but I'm looking for something cheap for now!). Looking for a good walkaround lens, that gives me landscape and standard telephoto portraiture/low light photos.  I'm really looking for: 1....
Hello fellow photographers,I recently bought my first DSLR Canon 600d and a Sigma 18-50mm f/2.8-4.5 DC OS HSM instead of the kit lens.Now, that I was all into experimenting, reading literature and continuing to research about photo shooting, accessories etc, i came across the extension tubes. I found out that i do really like macro photography, but Sigma is not obviously a macro lens, for a nice piece of macro glass i simply don't have the budget, so i thought i might buy these extension...
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