Good lens for the price, build quality matches the price, good upgrade to standard Canon lenses but not quite on par with the L series version of this lens, but couldn't do better for the price! My only complaint is really with AMZ, I bought the lens at a certain price even after 12 hours. The price has been reduced by $50, AMZ is not willing to refund the difference and will have to return all the goods to re-order to get a better deal. , terrible customer service, first real problem I hadβ¦