On Wed, 5 Jan 2000, Chip Stratton wrote:
|> 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
I believe the 135/4.5 macro goes to 1:0.43 with the auto extension
tube.
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