> it's a 135/4.5 lens. You also should know that this
> is not a conventional
> helicoid focusing lens, but a lens made to use with
> the 65-116mm variable
> auto extension tube, and the lens gives a focusing
> range of infinity to 1:2
> with this tube. Given that you have to focus by
> telescoping the auto tube
> in and out, this is not a very convenient lens to
> use for non-macro work,
> and it is not recommended by olympus for work beyond
> 1:2. It will work,
> but you'll have to stack additional tubes on the
> variable tube, and it
> will get a bit unwieldy.
>
> Joseph
Joseph -
Perhaps we aren't talking about the same lens, but the
Zuiko 135/4.5 does have helicoid focusing, and is
designed to focus to infinity at minimum extension of
the telescopic auto tube. It also doesn't go all the
way to 1:2 on the telescopic auto tube, its more like
1:3 with the tube at maximum extension and the
helicoid at closest focus.
Chip Stratton
cstrat@xxxxxxxxx
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