Those would be the two I would look at. The Sigma is brighter @ f/2.8-4.
I have 18-55 and 75-300 lens, I am looking for another lens in between for traveling... those that I have in mind are ...
EF-S 17-85 IS USM
EF-S 18-135 IS
EF 28-135 IS USM
Any suggestion will help and greatly appreciated.
Knhs99

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