Ahhhhhh. Sounds of brain functions starting up. That makes it an easy
construction. Thanks for that information Mark. Thanks once again. Regards John
Duggan, Wales, UK
From: Mark Dapoz <md@xxxxxxxx>
To: Olympus Camera Discussion <olympus@xxxxxxxxxxxxxxxxx>
Sent: Monday, 19 March 2018, 2:02
Subject: Re: [OM] 20mm f2 and Lieberkuhn Lighting
The Olympus LM-SP stage plate is made of plexiglass, it should very simple to
duplicate it using a forstner bit to create the step. The interruptors are
made of metal and seem to be painted black and white.
-mark
> On 18-Mar-18, at 9:33 PM, JOHN DUGGAN via olympus <olympus@xxxxxxxxxxxxxxxxx>
> wrote:
>
> Mark, Thank s very much for those illustrations. At least I now have an idea
> of what I am trying to construct. As there is no possibility of me cutting a
> 25mm stepped hole in a clear glass plate I will run with my idea if a thin
> alloy disc placed on top of a clear plate.When time permits I will try my
> hand at machining a disc for the LM-20. Annoyingly MANY years ago I saw one
> for sale at not much more than a roll of film BUT had no use for it!!!!
> Regards John Duggan, Wales, UK
>
> From: Mark Dapoz <md@xxxxxxxx>
> To: Olympus Camera Discussion <olympus@xxxxxxxxxxxxxxxxx>
> Sent: Saturday, 17 March 2018, 21:53
> Subject: Re: [OM] 20mm f2 and Lieberkuhn Lighting
>
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