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Re: [OM] Did any OM4ti units have a back with no film reminder?

Subject: Re: [OM] Did any OM4ti units have a back with no film reminder?
From: John Hermanson <omtech1@xxxxxxxxxxx>
Date: Mon, 15 Mar 2010 08:52:54 -0400
Remove the 2 right hand guide screws, insert 2 set screws, add some flat 
black paint, the you can use regular back with large pressure plate.
___________________________________
John Hermanson  |   CPS, Inc.
21 South Ln., Huntington NY 11743
631-424-2121  |  www.zuiko.com
Olympus OM Service since 1977
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Andrew wrote:
> I imagine it would work (it certainly fits) but I am not sure its a good idea 
> or how reliable (100%?) it would be, because I have never had cause or a need 
> to do it. The shorter (about 7mm or so) pressure plate on the early (O)M1 and 
> have to be shorter because those early camera have a couple of chrome 'lug' 
> type film guides on the right hand side of the film mask opening, opposite 
> the same type lugs that are already on the left side as you look in the open 
> back of the body of other OM camera..
> 
> In all but the earliest OM1and M1 those film locating lugs are removed from 
> the body right hand side , the back door then has the longer pressure plate 
> instead which keeps the film flat right up to where the film wind on sprocket 
> is, that the longer pressure plate assists in keeping the film flat and 
> engaged positively on the wind on sprocket, but as I mentioned at the 
> beginning, I should think the back door with smaller pressure plate would 
> certainly work, but I doubt it could be positively recommended or guaranteed
> 
> also FWIW if you attempted to place a back door with long pressure plate on a 
> M1 or early OM1 then the door cant close, for the perhaps the now obvious 
> reason that the pressure plate hits those protruding chrome film locating 
> lugs...Also just because that OM-4Ti has a door without a film reminder 
> doesn't necessarily mean it has the small pressure plate, there is a good 
> chance it has the larger pressure plate. asking them for a measurement would 
> help
> 
> 
> cheers
> Andrew
> 
> 
> On 14/03/2010, at 8:31 AM, deebel wrote:
> 
>> So I suppose the question really is whether the OM1 back with the smaller
>> pressure plate is ok on an OM4Ti.
>>
>> Dave
>>
>>
>> -----Original Message-----
>> From: Piers Hemy [mailto:piers@xxxxxxxx] 
>> Sent: 13 March 2010 10:10
>> To: 'Olympus Camera Discussion'
>> Subject: Re: [OM] Did any OM4ti units have a back with no film reminder?
>>
>> Best I recall all the single-digit backs are interchangeable, and only the
>> earliest OM-1 bodies have the need for the smaller pressure plate.
>>
>> Piers 
>>
>> -----Original Message-----
>> From: deebel [mailto:deebel@xxxxxxxxxxxxxx] 
>> Sent: 12 March 2010 23:54
>> To: 'Olympus Camera Discussion'
>> Subject: [OM] Did any OM4ti units have a back with no film reminder?
>>
>> 370276014903
>>
>> Was a plain back an option or is this an OM1 back with a different pressure
>> plate?
>>
>> Dave
>>
>>
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> 
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