Greetings. I just purchased a Sigma 600mm lens and want to use it with
my Canon XTi (EF mount). I would like to know what type of adapter to
purchase, but the seller didn't know what this lens mounts to. Thanks
in advance. To see photos go to these links:

http://snipurl.com/19pe5-TJXEZI

http://snipurl.com/19pe1-AD224B