Andre,
My "SMC Takumar 1:3.5/15" front element inside the retaining ring
measures about 69.85mm. The distance from the tulip hood to the front
element measures about 5.56mm. Hope this helps.
Bob Rapp
----- Original Message -----
From: "andre" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Friday, September 13, 2002 12:23 AM
Subject: Re: 15/3.5 Aspheric or not? (was: KMP Update)
> Bob, we need the diameter of the front element of your lens to see if
> there is a difference between aspheric and non-aspheric lenses.
> (Well, maybe nobody will show up with an aspheric lens or the
> difference in diameter will be too small to ascertain which lens has
> it.)
>
> Andre
>
> >My 15mm's serial number is 8013862. I wonder what the original starting
> >number was and what the increment was.
> >
> >Bob
> >----- Original Message -----
> >From: "andre" <[EMAIL PROTECTED]>
> >To: <[EMAIL PROTECTED]>
> >Sent: Thursday, September 12, 2002 12:40 AM
> >Subject: Re: 15/3.5 Aspheric or not? (was: KMP Update)
> >
> >
> >> SMC Takumar 15mm #8014040 has a front element with a 68mm diameter,
+or-
> >1mm.
> >>
>
>
> --
>
