Hi, Well I know that these all-in-one lenses wont be as good as specific lenses. But sometimes there are some occasion where you want to travel light and having a specific lens for each shot you want to take would be a trouble. So I guess these quality all-in-one would be useful especially for those on a budget cause he/she can invest on these lens (eventhough its expensive) and don't need to spend big bucks on quality lens for a specific purpose. So what are the lens out there? I guess a 200mm lens (around those number) would be ideal for an all-in-one? a 200mm lens fitted on a APS-C sensor would be about 320mm (x1.6) and 300 (x1.5). So that would make it even better if you are looking for more zoom range. Anyway the lens that attract my attention so far is the Tamron AF 18-270mm f3.5-6.3 Di II VC LD Aspherical (IF) Macro (whew that is a super long name) and according to DPReview its size is about 200mm lens which make it even better!. Check it out! - Tamron Is there any other lens that is similar or a all-in-one which is around 200mm ish? made from Canon or any other 3rd parties?