the 28 1.8 isnt that bad, less than 500 bucks, might be the focal length you want that is faster than 2.8, i myself have not use other glass besides canon not for sure about sigma or tamron.
the 28 1.8 isnt that bad, less than 500 bucks, might be the focal length you want that is faster than 2.8, i myself have not use other glass besides canon not for sure about sigma or tamron.