Gregg, you are talking of the 2x teleconverter, while Dan is talking of the
1:1 extension tube (which will not give infinity focus).
You aren't wrong (in fact, you're quite right) but it may be confusing.
Piers
-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On Behalf
Of Gregg Iverson
Sent: 21 February 2004 01:56
To: olympus@xxxxxxxxxx
Subject: [OM] Re: Tamron 90mm Question
Dan,
I came home and checked to be sure. I have the Tamron 2X that requires an
Adapter. It fits on the back of the lens after the adapter is taken off. I
don't know if you will be able to use the 90mm as a regular lens if you go
the extension tube route. When I add the 2X I get a 200mm F 4.8 that
focuses from macro to infinity. There is a scale on the extender that tells
me the actual F stop as well. I keep an adapter on the 2X as well as on the
90mm lens. When I want to combine them I only have to take off the adapter
on the 90mm and attach the 2X.
gregg
>Hello all,
>
>Having fanged one of these for $47 I am wondering if I need to bother
>hunting down the extension tube that is available for this lens. Is
>there any reason why I would need the Tamron one specifically? To be
>clear I am talking about the one that fits between the Adaptall and the
>lens. I am assuming it is a 25mm extension from its model number. If
>that is so is there any reason that the 25mm Olympus Auto tube I
>already have wouldn't work? It would also be easier to fit.
>
>TIA, Dan S
>
>
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