110 Instamatic film format is 13x17mm, very close to the Olympus 4/3 System 13x17.3 mm sensor size. That's roughly half the size in linear dimensions, about 1/4 the area of 24x36mm.
The 4/3 lens mount has a flange to focus plane register of 38.5mm depth and diameter of ~47 mm. I seem to recall the Pentax Instamatic 110 SLR camera having a focus plane register around 22mm and mount diameter around 30mm. So while it might be possible to mount the lenses on a 4/3 camera, they would never focus to infinity. These lenses also don't have any aperture control and were designed for compactness, not telecentricity, so their performance on a digital sensor is most likely not going to be all that great. Godfrey On Feb 29, 2008, at 9:25 AM, Boris Liberman wrote: > The Oly 4/3 system has a sensor half the size of regular 35mm frame. > The 110 system seems to have the same hmmm frame size. So is it > possible to adapt Pentax 110 lenses to Oly 4/3? Would it be a > reasonably good and cheap set of primes? > > Or it is late and my mind is not doing good what it is supposed to > be doing... > -- 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.
