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Re: [OM] OM focusing screen

Subject: Re: [OM] OM focusing screen
From: "Ch. Zhou" <perimeterbow@xxxxxxx>
Date: Thu, 12 Jan 2012 16:07:08 -0500
There is still some difference.

OM-40: bright Lumi-Micron

2-13: fine Lumi-Micron

OM707: Super Lumi-micron


Ch. Zhou

On 1/12/12 3:42 PM, Chuck Norcutt wrote:
> I don't know but the description of the focusing screen in the 
> OM-40/PC's user manual spec pages reads exactly the same as a 2-13 
> screen as described in the OM-SIF.
>
> Chuck Norcutt
>
>
> On 1/12/2012 3:31 PM, deebel wrote:
>> I have a brochure C403E-0485D which says -
>>
>> "Viewfinder - Pentaprism eye-level type. Wide field finder with bright
>> Lumi-Micron Matte focusing screen with central microprism/split image
>> rangefinder. Finder field of view 93% of actual picture field. Finder
>> Magnification 0.92x with 50mm lens at infinity."
>>
>> Dave
>>
>> -----Original Message-----
>> From: Ch. Zhou [mailto:perimeterbow@xxxxxxx]
>> Sent: 12 January 2012 19:18
>> To: Olympus Camera Discussion
>> Subject: [OM] OM focusing screen
>>
>> Rumor says that the focusing screen in OM-40/OM-PC is the same type as
>> that in OM-3T, which is brighter than the 1-13 I currently have in my
>> Om-4T. The user manual just mentioned "bright Lumi-Micron Matte focusing
>> screen with central microprism/split image rangefinder". For both OM-3T
>> and OM-4T, their manuals says the same "interchangeable focusing
>> screens; microprism/split image-matte type screen standardized".
>>
>> Is this rumor true? I noticed that OM-40/OM-PC was introduced at about
>> the same time as OM-4T, and was discontinued way before OM-3T came out.
>>
>> Thanks.
>>
>> Ch. Zhou

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