this is the case. you can tell by the rear lens cap markings even if you never have a Sigma mount lens or body. they use the same cap for Sigma and Pentax K. the direction to tighten the cap is opposite for each.
Herb... ----- Original Message ----- From: "Mark Cassino" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Monday, February 09, 2004 11:04 AM Subject: Re: PK mount lenses > I've never seen the Sigma mount, but I thought I read that it was a K-Mount > but that the lens rotated in the opposite direction to click into place. I > may be incorrect on that, though.
