Archived posting to the Leica Users Group, 2000/03/21

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Subject: Re: [Leica] ..... APO 2x Extender.....
From: John Collier <jbcollier@home.com>
Date: Tue, 21 Mar 2000 22:24:46 -0700

Tele-converters focus to the same distance as the lens would normally. The
image size is magnified optically. If the lens  is set to "X" distance
giving "Y" object size, when you attach the converter, it will still focus
to "X" distance but will now give you "2Y" object size.

John Collier

> From: "claire" <clairetm@singnet.com.sg>
> 
> How does the APO 2x Extender 'alter' the macro capabilites of the R100/2.8
> APO Macro lens ?
> 
> Whats' the closest lens to subject distance with this setup ? Is it simply
> doubled ?
> 
> So say at a fixed distance x cm ...... the subject is y cm long.... with
> this 2x extender, does it simply mean the subject is now 2y on film ?
>