It seems to me that what's called for here is some experimentation and an extraordinary plenary PUG showing all possible uses of the MF and MF-1, so come on boys, get out the Vaseline, the ring-flash and the mirrors, and let's see what you can do down under!
B > From: PDML [mailto:[email protected]] On Behalf Of Paul Ewins > > Hi Brian, > I own an MF and two MF-1s but don't know much more than you. I > do believe that it is meant for some sort of endoscope/gastroscope set > up which would bayonet on to the end of the lens/adapter. Only one of > mine has the endoscope adapter and it is different to yours - shorter > and with the designation AP-K55 so I guess there were different focal > length adapters to vary the magnification. > > A couple of other things - you say it has no focussing screen, but does > it have the semi-spherical protrusion below the prism? If I mount a > lens on mine I still get a focussed image. The other thing is that > although based on the ME it has the two pins on the back for the old- > style databack which would make it the only ME style body to do so. > > Paul Ewins > > Melbourne, Australia > > > > > On 06/11/2012, at 7:49 AM, Brian Walters <[email protected]> > wrote: > > > G'day all > > > > I knew these things existed - there's a photo of a similar one on > Boz's site - but I'd never seen one "in the flesh" until the last > camera market in Sydney. > > > > So I just had to have it :-) > > > > http://dl.dropbox.com/u/1370864/PESO/slides/_IGP1108-peso.html > > > > It's of absolutely no practical use but it's interesting, just the > same. It's based on the ME but has no focusing screen and a has spot > meter built into the top of the pentaprism. The apparently missing > right had strap connector isn't. That's the way it came from the > factory. > > > > This one is the original half-frame version - the one on Boz's site > is the later full frame version (MF-1). There was also a similar one > based on the MX (see Dario's Asahi Optical Historical Club). > > > > A couple of questions.. > > > > Was this the only half frame camera Pentax produced? > > > > Does anyone know exactly how it was used? All that crops up in > internet searches is that it was used "for medical purposes" - some say > optometry; some say endoscopy. > > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

