Archived posting to the Leica Users Group, 2002/07/07

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Subject: Re: [Leica] Double rear lens coupler
From: "Don Dory" <dorysrus@mindspring.com>
Date: Sun, 7 Jul 2002 08:37:22 -0400
References: <00b401c22559$1a0a60c0$6eefe243@5lgcn01>

The double lens coupler will safely accommodate any of the lenses you
mentioned.  Where trouble arises is when coupling the older non-retrofocus
lenses where the rear element protrudes.

A non exhaustive list of lenses that care must be taken with are
12mm Heliar
15mm Heliar
21 SuperAngulon
24mm Elmarit
28mm produced prior to the M5
any collapsible lens

To confirm whether the ring works just mount the lens in question and look
to see if the rear element protrudes past the center point.

I routinely use one even with the 15mm by combining the 75 with the 15 as
the 75 rear elements are very recessed.

Don
dorysrus@mindspring.com

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Replies: Reply from Jeffery Smith <jls@runbox.com> (Re: [Leica] best photographers = Jewish)
In reply to: Message from "Julian Koplen" <jkoplen@mindspring.com> ([Leica] Double rear lens coupler)