> Hello, > > my friend is looking for the cross section (or repair manual) of the zoom > Sigma 70-300 Macro. He dissasembles it to clean and now he has some troubles > with order and turning of distance rings. Does anyone knows where to find > such information? > Stane, I am afraid that your friend may have to send it to Sigma or one of their authorized repair stations. Under NO circumstances should a modern zoom lens be disassembled by the owner. It is correct to assume that anything made by man can be repaired by man, but zoom lenses and mechanical sewing machines were made by the devil and must be sent back to hell for repair ;-) I am afraid the lens would never be right unless aligned by a trained mechanic. JB ============================================================================================================= To unsubscribe from this list, go to www.freelists.org and logon to your account (the same e-mail address and password you set-up when you subscribed,) and unsubscribe from there.