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11-19-2019, 01:19 PM   #1
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Hello and a bit of help please

My name is Edward. I'm new around here. I always loved Pentax film cameras and always looked for help and information on this forum. Today I need some help as I could't find any answers for my problem.
I need a pressure plate for my Pentax MX. Can I use one from a Pentax Spotmatic? I know they are a bit diffrent but they fit on the MX. Another solution would be a pressure plate from a Pentax ME. They look the same in pictures but I'm not sure as I don't own one.

Thank you!

11-19-2019, 01:53 PM   #2
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Welcome to the forum Edward.
I can't answer your query, but, no doubt, someone will!
11-19-2019, 02:18 PM - 2 Likes   #3
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ME Pressure plate

Hello Edward,

I just compared the pressure plates of ME and Spotmatic SP1000

Spotmatic plate is 3,8 cm x 5,5 cm

ME plate is 3,8 x 6 cm.
Thickness of both plates is 1mm.

I believe that the 2 plates are interchangable as fixing holes distance is the same.
The film guides of the 2 cameras are both 6 cm long.

Maybe the longer plate installed in the ME is an improvement to achieve better film guidance.
11-19-2019, 04:58 PM - 1 Like   #4
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I have a broken MG. Its plate is approximately 61mm x 38mm. I assume it is the same plate used by the ME.

EDIT: Measured with a digital caliper: 63.12mm x 37.82mm, and the post spacing is 54mm x 27mm center to center.

Last edited by M_D_K; 11-19-2019 at 05:22 PM.
11-19-2019, 06:18 PM - 1 Like   #5
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The MX and ME Super plates I have are slightly different sizes, and the Spotmatic is a different size and shape...

Doesn’t mean it won’t work... just means it might not

The ME Super is pretty close... I don't know if the ME and the ME Super are the same, but I gave away my ME when it broke...

Here's the ME Super (left) and the MX (right). MX door is longer (who knew?) but it looks like the pressure plate attachment is the same between them.

And the Spotmatic (left) and the MX (right). Very different door and pressure plate...

This Spotmatic is just a SP. And that MG plate looks just like the ME Super one...


Last edited by TwoUptons; 11-19-2019 at 06:35 PM. Reason: Added Photos
11-20-2019, 05:05 PM   #6
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Thank you all for your replies.

I've ordered a ME pressure plate from ebay and I will use that. For now I'm using one from a Spotmatic and it looks like it's keeping the film flat. I don't know what can go wrong but time will tell.

In the future I will buy a broken MX for parts but for now I think it works like this.

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