Summary: Great lens. My old one was stolen, unfortunately, and Canon discontinued it at the same time. The new one has Image Stabilizer, which I do not really need on 24mm lens. Plus, the price for the new one does not look reasonable.
Summary: I recently had been seeking a 24mm EF Lens for my 630 EOS Canon. I was very lucky to find HONEST Sellers on E-bay as I have with Many Sellers , but dave_renee were GREAT & are quite willing to help me learn how to really use this Lens to its best ability & the Price was GREAT too. I LOVE this Lens for Flower shots & Detail. Its Clear ,FAST , Good in Low Light situations & best of all it came as New from a second owner.
Summary: great lens for DSLRs with a 1.6 crop factor. Rivals L series in quality at much less than half the price. I find the quality suppior to ANY of the zooms, including L series. Best option unless you're going to spend ~ 1K.