ok looking 2 lens either Sigma 70-300mm F4-5.6 or sigma 28-300mm f/3.5-6.3
links -
number 1 -
http://www.sigmaphoto.com/lenses/lenses_all_details.asp?id=3303&navigator=3
number 2 -
http://www.sigma-imaging-uk.com/lenses/standardzoom/28-300mm.htm
is there a difference that will be noted or not? ( ignore price at the moment as getting second hand ) just im bidding on ebay for the 70-300 model and been offered the 28-300 at a similar price elsewhere!
Kev