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Re: [OM] M42 to OM 4/3 Adapters Revisited Again

Subject: Re: [OM] M42 to OM 4/3 Adapters Revisited Again
From: "Jim Nichols" <jhnichols@xxxxxxxxxxxxx>
Date: Mon, 12 Sep 2011 22:18:02 -0500
You are correct, Chuck.  I missed that in Chris' post.  My two parts can't 
be rotated because they are joined by four drops of Superglue!

Jim Nichols
Tullahoma, TN USA
----- Original Message ----- 
From: "Chuck Norcutt" <chucknorcutt@xxxxxxxxxxxxxxxx>
To: "Olympus Camera Discussion" <olympus@xxxxxxxxxxxxxxxxx>
Sent: Monday, September 12, 2011 4:48 PM
Subject: Re: [OM] M42 to OM 4/3 Adapters Revisited Again


> Watch out for set screws.  I believe there has been more than one person
> on this list who has had an adapter fall apart while in use due to
> loosening set screws.
>
> Chuck Norcutt
>
>
> On 9/12/2011 5:10 PM, Chris Trask wrote:
>>      I am happy to say that I now have an off-the-shelf M42 to OM 4/3 
>> adapter
>> that works!
>>
>>      <<APPLAUSE>>     <<CHEER>>
>>
>>      This one is 0.265" (6.73mm) thick, and on my Vivitar 55-135mm f/3.5 
>> T4
>> lens it allows for focusing just slightly beyond infinity.  Also, the
>> threaded portion is attached to the bayonet portion with three set 
>> screws,
>> so you can adjust the lens position when it is mounted on the camera. 
>> The
>> two parts fit together snugly with virtually no play.  The threaded 
>> portion
>> is made of aluminum, and the bayonet portion is black anodized hard 
>> brass,
>> so it's a bit on the heavy side.
>>
>>      This adapter fits the lenses and camera body firmly with no 
>> slopiness.
>> All that's missing is some way of holding the aperture pin down, and with
>> the 45º chamfer at the bottom of the bayonet portion I can easily machine 
>> a
>> ring that will fit in there and take care of that little problem without
>> having to modify the T4 and TX adapters.
>>
>>      I got this adapter from one of those camera accessory outfits in the 
>> Far
>> East, and there are a number of sellers with the exact same part such as
>> 254224726012, 250644062826, 390204477294, 150642486987, and 250604378717.
>>
>> Chris
>>
>>
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