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RE: [OM] 90/2 - Gorgeous!

Subject: RE: [OM] 90/2 - Gorgeous!
From: Tom@xxxxxxxxxxxxx
Date: Tue, 13 Aug 2002 12:17:54 -0400
But I think some zuikos play focal length tricks as they close-focus. They 
shorten the focal length You may be able to get away with less extension. 
Anyone know for sure?

tOM

On Sunday, August 11, 2002 at 18:32, Buddy Walters 
<olympus@xxxxxxxxxxxxxxx>
wrote re "RE: [OM] 90/2 - Gorgeous!" saying:

> Hi Chris,
> Since I didn't see a response to your question, I'll give it a shot.
> 
> You need the same mm extension as the mm of the lens to get to 1:1 or as
> I would say 1x magnification.
> So with a 90mm lens you need 90mm of extension.  But the 90mm f2 macro
> already has 45mm of extension built in (which gives it 1/2x mag) so all
> you need to do is add another 45mm of extension ie bellows or extension
> tubes to = 1x mag.
> 
> Hope this helped.
> Buddy Walters
> 
> 
> -----Original Message-----
> On Behalf Of Chris Barker
> Subject: Re: [OM] 90/2 - Gorgeous!
> 
> Lovely photo Richard1
> I plan to take more photos of parts of flowers, in the abstract 
> sense, rather than trying for a complete shot all the time.
> 
> Do you know what length of extension tube is required to get 1:1 with
> the 90/2?
> 
> Chris
--
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tOM Trottier,   ICQ:57647974    http://abacurial.com
        758 Albert St, Ottawa ON Canada K1R 7V8 
        +1 613 860-6633 fax:231-6115 N45.412 W75.714
"The moment one gives close attention to anything, 
even a blade of grass, it becomes a mysterious, 
awesome, indescribably magnificent world in itself -- 
Henry Miller, 1891-1980


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