The image cirle of the lens is not the same thing as the diameter of the mount. The image circle can be much larger. jco
-----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Kostas Kavoussanakis Sent: Thursday, December 21, 2006 1:45 PM To: Pentax-Discuss Mail List Subject: Re: Official Full Frame Pentax Rumor - Technical Limitations of K On Thu, 21 Dec 2006, Adam Maas wrote: > Actually, max movement is around 2.5mm on the DX format sensors. So you are on 36+5=41mm already. The K-mount is 49mm wide, I think. Kostas -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net