Calumet.co.uk worst store ever? Bought a Sigma 10-20 Lens For Canon mount from them, they filled my address wrong, and sent the lens trough 3 different companies to deliver...which was hell to track. Sent an email requesting a tracking number, but never received a answer..Phoned to calumet...the operator refused to give me..stating that she had to make a lot of phone calls to discover it. I phoned to the delivery company and trough my name they discovered the tacking number. I have sent 5 emails to calumet...not one single... read full review »