Fwd: [OM] Pentax M42 Screwmount to Olympus OM

[Clive Warren]

Date: Mon, 5 Nov 2001 12:19:41 +0000
To: olympus@xxxxxxxxxxxxxxx
From: Clive Warren <Clive.Warren@xxxxxxxxxxxxxx>
Subject:  [OM] Pentax M42 Screwmount to Olympus OM
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Big sniplet

> Anyway has anyone ever heard of/seen a Pentax screw/OM
>  adapter around? If not I'll have to look for an old
> Spotmatic or K1000 body just for this lens. Thanks for
> your time and many apologies for the length.
>
> Mark Lloyd

Mark,

Oh, if only.......

The figures below show lens mount-to-focal plane distances:

Nikon                   bayonet                                 46.50
Olympus OM              bayonet                                 46.00
Olympus Pen F           bayonet                                 28.95
Pentax/Practica         M42x1 thread                            45.46

So, you are out of luck - Pentax M42 screw thread lenses need 45.46mm 
and the OM is 46.50 - add an adapter ring and it does of course get 
worse.
The Spotmatic would be a good choice.

Back to lurking mode :-)

--
All the best,

             Clive   http://www.cocam.co.uk
                     Photographic Services, Filters and Equipment, Infrared FAQ
                        http://www.f32.net
                        Large Format Travel and Stock Photography

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