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Any idea what camera this 2x3/6x9 back belongs to?

 
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Murray@uptowngallery.org



Joined: 03 Apr 2002
Posts: 164
Location: Holland MI

PostPosted: Wed Jun 22, 2005 8:23 am    Post subject: Reply with quote

eBay 7518176814

Thanks

Murray
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t.r.sanford



Joined: 10 Nov 2003
Posts: 812
Location: East Coast (Long Island)

PostPosted: Wed Jun 22, 2005 5:18 pm    Post subject: Reply with quote

I'd be interested in the answer to this one. Looking at the picture, I can't even tell which way the device goes (he mentions a groundglass, which must be on the underside). Of equal interest would be knowing what it was used for...
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Murray@uptowngallery.org



Joined: 03 Apr 2002
Posts: 164
Location: Holland MI

PostPosted: Thu Jun 23, 2005 7:03 am    Post subject: Reply with quote

I can vaguely see a bit of ground glass sheen on one side and none on the other...at first I thought I was just seeing a grey painted inside surface.

I'll have it in a day or so & maybe figure it out.

M
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Murray@uptowngallery.org



Joined: 03 Apr 2002
Posts: 164
Location: Holland MI

PostPosted: Fri Jun 24, 2005 8:57 am    Post subject: Reply with quote

Mamiya Press 23 Focus Screen Holder

Now that I see it has a pedigree I wonder if I would be depriving some needy Mamiya Press 23 owner of this by misusing it for one of my demented projects.

Murray
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t.r.sanford



Joined: 10 Nov 2003
Posts: 812
Location: East Coast (Long Island)

PostPosted: Fri Jun 24, 2005 3:52 pm    Post subject: Reply with quote

Very interesting. I remember that such a thing was made for the Mamiya "Press 23," but I never saw one.

Does it provide for bellows focusing?
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Murray@uptowngallery.org



Joined: 03 Apr 2002
Posts: 164
Location: Holland MI

PostPosted: Sat Jun 25, 2005 3:45 am    Post subject: Reply with quote

Someone else suggested that on another group site.

I'm not sure I see how it can allow rear movements/bellows focussing. I didn't pay attention whether the Sekor/Seikosha lenses had helicoids to go with their shutters.

My view (I have no 2x3 holders at this time) is that if a filmholder displaces the GG to the rear, the bellows attached to it serves no purpose with a filmholder attached. Maybe it just keeps side light leaks out of the viewing area? Or maybe it just keeps the glass from banging around.

The viewing 'door' can open 90 or 180 degrees (there are 2 selectable 'doorstop' positions).
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Murray@uptowngallery.org



Joined: 03 Apr 2002
Posts: 164
Location: Holland MI

PostPosted: Mon Jun 27, 2005 4:06 am    Post subject: Reply with quote

A link someone elsewhere referred me to showed this back mounted on another plate which then (optionally, I assume) had a bellows. So there was a rear bellows option. I'm not sure if the Mamiya Press 23 was a bellows RF or a solid body with optional rear bellows.

I just wond a box of 2.25 x 3.25 filmholders on eBay so it appears I can use this back. I might hack a 4x5 Graflok-sized plate to temporarily mount it on my backless 4x5 SG.

Murray
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Dan Fromm



Joined: 14 May 2001
Posts: 1885
Location: New Jersey

PostPosted: Mon Jun 27, 2005 10:51 am    Post subject: Reply with quote

Quote:

On 2005-06-26 21:06, Murray@uptowngallery.org wrote:
A link someone elsewhere referred me to showed this back mounted on another plate which then (optionally, I assume) had a bellows. So there was a rear bellows option. I'm not sure if the Mamiya Press 23 was a bellows RF or a solid body with optional rear bellows.

I just wond a box of 2.25 x 3.25 filmholders on eBay so it appears I can use this back. I might hack a 4x5 Graflok-sized plate to temporarily mount it on my backless 4x5 SG.

Murray
Murray, Mamiya Press cameras through and including the Super 23 had rears that could be extended on four little swinging posts like a Linhof Technika. The Universal Press doesn't have this feature. All of them have solid fronts that accept lenses in focusing helicals.
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Murray@uptowngallery.org



Joined: 03 Apr 2002
Posts: 164
Location: Holland MI

PostPosted: Wed Jun 29, 2005 3:56 am    Post subject: Reply with quote

Thanks, Dan.

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