As i understand it, the same 7 element optical formula was used for all the rest of the 50mm f1.4s. The only thing that changed was the coatings (other than obvious build differences on the change to the SMC Takumar).
On Wed, Aug 14, 2013 at 12:38 AM, Alan C <[email protected]> wrote: > So where do the Super-Multi-Coated Takumar & SMC Takumar versions fit into > this puzzle? > > Alan C > > -----Original Message----- From: Darren Addy > Sent: Tuesday, August 13, 2013 8:48 PM > To: Pentax-Discuss Mail List > Subject: Found a Pentax mistake in the Super Tak 50mm f1.4 > > > Don't know how many will be interested in this, but it is kind of a > big deal if you are looking for the original 8 element Super Takumar > 50mm f1.4 (or think you already own one). > > It started when I found this photo on Flickr: 3 versions of Super > Takumar f1.4/50mm ?! > http://www.flickr.com/photos/kuuan/8312126654 > > The poster here believes that the middle lens is a hybrid between the > 8 element and the 7 element. He goes on to dissect it and prove that > it is a 7 element design. But I discovered taht one thing that threw > him off is actually a Pentax mistake: If you look at the Red Infrared > focusing mark and compare the three lenses, you will see that the > spacing of the lines is different on the true 8 element, as compared > to the other two. The "hybrid" actually has the wrong line painted > red. This gives the impression that it is an 8 element, but if you > look closely you will see that they have actually painted the f4 line > red on the "hybrid". > > I don't know how many example of this there might be out there, but if > you were counting on the red infrared focusing mark as the identifying > feature you might want to look again. I placed a comment in that > photo's thread showing the same thing. > > So the "hybrid" IS a transitional lens, in that they are still using > the A/M designation (like they did on the original 8 element) and not > the later Auto/Man. But it is in all other respects a 7 element lens. > > To help narrow it down a bit, in a later post, Andreas gives the > serial numbers of the two lenses: > 1585445 the 8 element > 1591478 the "hybrid" > > Side note: > The majority of people who are registering the serial number of their > original 8 element Super Takumar 50mm f1.4s are on crack (or believe > they have one since they procurred it from an unscrupulous seller that > listed it as such) > http://www.pentaxforums.com/forums/pentax-serial-number-database/?do=viewserials&id=127 > > -- > "Photography is a Bastard left by Science on the Doorstep of Art" - > Peter Galassi > > -- > 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. > > -- > 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. -- "Photography is a Bastard left by Science on the Doorstep of Art" - Peter Galassi -- 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.
