The Novoflex one is the best and lets the AE work: http://www.bhphotovideo.com/c/product/646936-REG/Novoflex_MFT_PENT_Pentax_K_to_Micro.html
Of course, it costs what a lens costs. On Tue, Mar 15, 2011 at 8:15 PM, J.C. O'Connell <hifis...@gate.net> wrote: > seems like it would have to be off by more than 0.36mm for the > results your getting, something doesn't add up. > > -- > J.C. O'Connell (mailto:hifis...@gate.net) > Join the CD PLAYER & DISC Discussions : > http://tech.groups.yahoo.com/group/cdplayers/ > http://launch.groups.yahoo.com/group/cdsound/ > > > -----Original Message----- > From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of > Dario Bonazza > Sent: Tuesday, March 15, 2011 8:05 PM > To: Pentax-Discuss Mail List > Subject: Re: Pentax glass on m4/3: weird behavior > > > Let's do some math: > K bayonet register = 45.46mm > m4/3 register = 19.25mm > Then K-m4/3 adaptor must be 45.46 - 19.25 = 26.21mm > A caliper reads 25.85mm for my adaptor. > Hence it looks like being 0.35mm short. Is that enough for such a weird > behaviour? > > Dario > > ----- Original Message ----- > From: "Dario Bonazza" <dario.bona...@virgilio.it> > To: "Pentax-Discuss Mail List" <pdml@pdml.net> > Sent: Wednesday, March 16, 2011 12:41 AM > Subject: Re: Pentax glass on m4/3: weird behavior > > >> No name on it, found in ebay from Hong Kong. I bought it some time >> ago, >> but I can no longer find trace of that auction. However, it could be this >> one: >> > http://cgi.ebay.com/Pentax-PK-K-lens-Micro-4-3-Adapter-EP-1-GF1-G1-GH1-/2506 > 30349531?pt=Lens_Accessories&hash=item3a5abba2db >> >> Dario >> >> ----- Original Message ----- >> From: "Steven Desjardins" <drd1...@gmail.com> >> To: "Pentax-Discuss Mail List" <pdml@pdml.net> >> Sent: Tuesday, March 15, 2011 11:53 PM >> Subject: Re: Pentax glass on m4/3: weird behavior >> >> >>> I'd like to hear this myself. What brand of adaptor? >>> >>> On Tue, Mar 15, 2011 at 6:02 PM, Dario Bonazza >>> <dario.bona...@virgilio.it> wrote: >>>> Hello gang, >>>> >>>> I've just tried a few Pentax lenses on my Panny GF-1 (via K-micro4/3 >>>> adapter), just to find a weird behaviour. >>>> >>>> With close subjects (inches to meters), the actual distance of my >>>> subject >>>> (properly focused by looking at magnified LCD) can be similar to that >>>> one >>>> indicated on the distance scale of the lens. However, when trying to >>>> properly focus at infinity I have to set a much closer distance on the >>>> lens >>>> ring, with larger and larger offsets as focal legths shorten. >>>> >>>> Examples: >>>> 100mm lens focused at infinity -> focusing ring is set at 15-20m; >>>> 50mm lens focused at infinity -> focusing ring is set at 7-10m; 28mm >>>> lens focused at infinity -> focusing ring is set at 3m! >>>> >>>> With a Samyang 8mm fisheye, there's no way to focus (lens helicoid >>>> has >>>> no >>>> run enough to find focus). It happens that by setting the focus at its >>>> minimum focus distance, the lens is almost (but not yet) focused at >>>> infinity. By approaching the subject, things become worse. >>>> >>>> Have you ever seen anything like that? How would you explain that? >>>> Wrong adapter? Too short to set proper register distance for >>>> K-bayonet lenses? >>>> >>>> Cheers, >>>> >>>> Dario >> >> >> -- >> 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. >> >> >> ----- >> Nessun virus nel messaggio. >> Controllato da AVG - www.avg.com >> Versione: 10.0.1204 / Database dei virus: 1498/3507 - Data di >> rilascio: >> 14/03/2011 >> > > > -- > 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. > > > -- > 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. > -- Steve Desjardins -- 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.
