On 14 Jul 2004 at 10:13, J. C. O'Connell wrote: > I think it is pretty obvious why the screwmount versions didn't > use these "letterboxes". The screwmount lenses did not have the > advantage of precise rotational orientation like the k mounts do > because the fit varies slightly from body to body with screw mounts > and "high noon" was seldom at 12:00. They did try/do it on one M42 > lens, the 300mm F4 SMCT. I never got the damn letterbox to line up > with film gate either! I cant understand why they did that, bad move.
I think the only late lens I've owned that had something similar was the A200/2.8 and that I removed so that I could use the XL series TCs on it. Removing it didn't make a difference that I could detect. Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998
