are you all sure there are too versions of this lens? Wouldnt the change from aspheric to non aspheric cause the need for a total design of the optics? JCO
> -----Original Message----- > From: andre [mailto:[EMAIL PROTECTED]] > Sent: Thursday, September 12, 2002 4:53 PM > To: [EMAIL PROTECTED] > Subject: Re: 15/3.5 Aspheric or not? (was: KMP Update) > > > >Not Bob but Rob in reply; ~68.6mm diameter, now just envision me with the > >pointy ends of my stainless steel vernier calipers trying to > avoid gouging the > >front element of my SMCPA15f3.5... > > > >Cheers, > > > >Rob Studdert > > I think we both have the non-aspheric lens. Well, I understand the A > lens is for sure non-aspheric and that any SMC Takumar or K 15mm that > has a front element diameter of 68/69mm is non-aspheric. > > The SMC Takumar that have sn # in the 7xxxxxx have more chance to be > aspheric than the "later ones" in the 8xxxxx, like mine (#8014040), I > guess. > > Bob said: > >My 15mm's serial number is 8013862. I wonder what the original starting > >number was and what the increment was. > > Bob, is it a SMC Takumar or a K, and could you measure its front element? > > Andre > -- >
