18-200 which brand should i get ???

[weixiang1900]

hi hi

i planning to get a new lens for my 7D cos the current one does not provide me with sharp image ...(18-55kit from my old camera/75-300usm)

i read thru a few model of lens so now i need advise on it ..thanks in advance ....

canon
EF-S 18-200mm f3.5-5.6 IS

sigma
18-200mm f3.5-6.3 DC OS
18-250mm F3.5-6.3 DC OS HSM

tamron
AF 18-200mm f3.5-6.3 XI Di-II LD
AF 18-250mm f3.5-6.3 Di-II LD
AF 18-270mm Di II VC LD Aspherical (IF)

get mine!

 

[Shuin]

Difference of roughly $700 dollars?

I know the price different, i was asking the TS about the different in the wide angle, sorry for not posting my question in more detail.

 

[ygen05]

noted with thanks ....