Quote Originally Posted by Lars
The 70-200 2.8 without IS could be a nice substitute (I have fallen in love with fast lenses), as is the 70-200 IS 4. However, there are two alternative lenses, Tamron and Sigma, both 70-200 2.8.

I would have bought the Tamron 70-200 f2.8 had it not been for finding a Canon EF 70-200 f2.8L for a little bit more. Let's face it, Tamron makes really good lenses. The value is incredible. If you can't find a used EF 70-200 f2.8L USM for around the same price I'd definitely go with theTamron. All you need then is the Tamron 28-75 f2.8 DI and your set is complete. Buy the Tamron new from a reputable vendor like Adorama. It comes with a 6 year warranty.


I have the Canon f2.8 trio (17-35/28-70/70-200) because I could afford buying used L glass. I started out with the Tamron 28-75 f2.8 on a Pentax K10 and a 17-50 f2.8 on a K100. I owned a 70-300 3.5-5.6 DI and really liked it on the Pentax. I bought one for Canon that didn't work so good. I have many beautiful and memorable photos taken through Tamron lenses. When I made the switch to Canon 3 years ago I bought a used 20D with a Tammy 28-75 f2.8 and immediately purchased a hand selected copy of the 17-50 f2.8. For ASP-C the 17-50 f2.8 DII is a wonderful lens.On Canon bodies, I have neverexperienced any slower focus issues with these lenses that I have not experienced in the same low light withCanon USM lenses. Focus accuracy iswhere the USM really shines. When shooting wide open the USM lenses are much more accurate than themanual screw driven Tammy's. If all I did was still and studio portraiture, I'd be more than satisfied shooting with Tamrons.Bang for the buck, I feel they're the best deal available today.


Bottom line: Buy what you can comfortably afford.Knowthe strengths and weaknessesthen make great photos.