Archived posting to the Leica Users Group, 2000/02/18

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Subject: Re: [Leica] Why detachable lens heads?
From: "Marshall C. Hunt Jr" <huntmc2@fuse.net>
Date: Fri, 18 Feb 2000 15:00:01 -0500

The short mounts allow you to focus at infinity.  If you use the bellows
exclusively for macro, you can use any LTM or enlarging lens.  There
used to be adapters to put an 8mm movie lens on the bellows.

Andrew Moore wrote:

> I realized yesterday that I can mount my Leica screw-mount
> lenses directly to the screw-mount adapter on the Viso/bellows 1
> outfit, instead of going through an extension tube followed by
> just the (detached) lens head.  Is there any reason why I wouldn't
> want to just use, for example, the entire 135/4.5 Hektor (focusing
> tube plus head) directly on the bellows, instead of an extension
> tube plus head?  The focus tube on the Hektor is basically the
> same thing as an extension tube.  Same goes for the 90/4 Elmar
> (which I am so happy to find that I can use on the bellows!)
>
> Basically it appears that I could use any screw-mount Leica lens
> on the bellows.  Are some Leica optics designed or optimised for
> this sort of macro work, or will any lens do?