Sorry, I must have confused the Tamron with some other lens.
I tried my lens with OM extension tubes, and it focuses easily.
Alan Wood
http://www.alanwood.net (Unicode, special characters, pesticide names)
> -----Original Message-----
> From: GeoW [mailto:gwsears@xxxxxxxxxxx]
> Sent: 20 February 2004 16:51
> To: olympus@xxxxxxxxxx
> Subject: [OM] Re: Tamron 90mm Question
>
>
>
> Alan,
> I have the old version 49mm Tamron and I have the Tamron
> Extension Tube for SP
> 90/2.5 (1:2-1:1) that I thought went with it. Am I wrong? I
> really don't know as I
> haven't attached one to the other and used them that way.
> This Tamron Extension
> Tube is a hollow tube.
>
> GeoW
>
> >
> > It may depend which version you have. I have the oldest version,
> > which takes 49mm filters. It can NOT be used with an
> extension tube.
> > The rear element remains at a fixed distance from the film when you
> > focus. If you add a tube, it is not possible to focus. The special
> > Tamron "extension tube" is really a matched teleconverter.
> >
> > If your version is different, you would need a 45mm (not 25mm)
> > extension tube to get from half-size to life-size.
> >
> > Alan Wood
The olympus mailinglist olympus@xxxxxxxxxx
To unsubscribe: mailto:olympus-request@xxxxxxxxxx?subject=unsubscribe
To contact the list admins: mailto:olympusadmins@xxxxxxxxxx?subject="Olympus
List Problem"
|