On Wed, 06 Jul 2011 19:28 +0000, "Collin Brendemuehl" <coll...@brendemuehl.net> wrote: > Here he is. > http://brendemuehl.net/images/frank/frank1.jpg >
Interesting work. That reminds me that I once fitted a Konica Hexanon 55 mm macro lens to K mount. The interesting thing was that I didn't need to modify anything. For some reason, the lens attached directly to a no-name K-mount extension tube, probably because of slack manufacturing tolerances on the tube. The lens wouldn't mount directly to the Pentax body. No infinity focus, of course, but that's not all that important with a macro lens. Here's a photo: http://dl.dropbox.com/u/1370864/Hexanon-Pentax.jpg I don't use this combination much because my 90 mm Tamron macro is more convenient . Cheers Brian ++++++++++++++++++++++++++++++++++ Brian Walters Western Sydney Australia http://lyons-ryan.org/southernlight/ > A shot taken with Frank. f2, perhaps slightly overexposed. > http://brendemuehl.net/images/frank/berry.jpg > > The center. > http://brendemuehl.net/images/frank/center.jpg > > This was pretty simple because the Minolta mount on this lens was in 2 > pieces. Behind the camera mount is another support ring. > Both the ring and the K mount had a rib which had to be milled off. > Even so, the ring does need to be another 1mm thinner for infinity focus. > > Minolta used 8 screws on the lens mount. 4 attached the mount to the > support ring and 4 went through the support ring to the lens body. > I left out the holes for the 4 into the ring and just used the 4 longer > ones that went through to the lens body. That's enough for this weight > of lens. It might be easier to have a pro with a mill do the actual > work on the mount and ring. Perhaps I will hire an engineer to finish > it. > > Also, put a hold for the mounting screw near the red dot. That allowed > me to attach to the lens body close to the center of the aperture scale > for near-proper alignment. > > Still, it "works" for close stuff. > > > Sincerely, > > Collin Brendemuehl > http://kerygmainstitute.org > > "He is no fool who gives what he cannot keep to gain what he cannot lose" > -- Jim Elliott > > -- -- http://www.fastmail.fm - Email service worth paying for. Try it for free -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
