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Re: [OM] Separated Zuiko 250/2, was: Inside the Zuiko 300mm F4.5

Subject: Re: [OM] Separated Zuiko 250/2, was: Inside the Zuiko 300mm F4.5
From: John Hermanson <omtech1@xxxxxxxxxxx>
Date: Wed, 11 Nov 2009 08:50:18 -0500
If a 4" element is only halfway separated, how do you separate it the 
rest of the way ?  Not really asking, because it's all a no go anyway. 
  I think the customer bought it this way and now (rightfully so) he 
feels burned.
___________________________________
John Hermanson  |   CPS, Inc.
21 South Ln., Huntington NY 11743
631-424-2121  |  www.zuiko.com
Olympus OM Service since 1977
Gallery: www.zuiko.com/album/index.html


Jez Cunningham wrote:
> But if the problem is separated elements then it won't be a problem to 
> separate them !
> I guess cleaning off old epoxy might be tricky.
> Jez
> 
> Sent from my Nokia phone
> -----Original Message-----
> From: Chuck Norcutt
> Sent:  10/11/2009 18:43:44
> Subject:  [OM] Separated Zuiko 250/2, was:  Inside the Zuiko 300mm F4.5
> 
> I posted a note to the Yahoo camera repair group on re-cementing 
> elements and got this response
> -----------------------------------------------------------------
> Yes, go here:
> 
> <http://www.focalpointlens.com/fp_services.html#lens_separation>
> 
> If Zuiko used balsam, it should be repairable.
> 
> If Zuiko used UV epoxy, well, it may be hard to separate the lens 
> doublet.  Maybe even impossible.
> 
> Good luck
> 
> Vick
> 
> To: camera-fix@xxxxxxxxxxxxxxx
> From: chucknorcutt@xxxxxxxxxxxxxxxx
> Date: Tue, 10 Nov 2009 12:03:25 -0500
> Subject: [camera-fix] Source for cleaning and re-cementing separated 
> elements?
> ------------------------------------------------------------------
> 
> Chuck Norcutt
> 
> 
> 
> Chuck Norcutt wrote:
>> But there are folks who specialize in cleaning and re-cementing 
>> separated elements.  Given the value of the 250/2 it may be worth 
>> considering.
>>
>> Chuck Norcutt
>>
>>
>> John Hermanson wrote:
>>> Ouch. I'm happy to say that all the 300s I've come in contact with have 
>>> not been glued.  Perhaps the ones I say at Olympus trying the patience 
>>> of the techs were an anomaly.  Speaking of lens defects....that reminds 
>>> me that about a month ago, a customer in Norway sent me his 250 f2 due 
>>> to sticky focus ring and poor focus issues.  I put the lens on my test 
>>> OM-2 and tried to focus out the back window.  Focusing wide open on a 
>>> reasonably flat plane (a row of flat bushes) only a central circle was 
>>> sharp.  The worlds most expensive "lens baby" ?   The only defect I can 
>>> come up with is that it has a separated element which makes the lens 
>>> "beyond repair" (no parts available, and the elements were super 
>>> expensive when they were available).
>>>
>>>
>>> ___________________________________
>>> John Hermanson  |   CPS, Inc.
>>> 21 South Ln., Huntington NY 11743
>>> 631-424-2121  |  www.zuiko.com
>>> Olympus OM Service since 1977
>>> Gallery: www.zuiko.com/album/index.html
>>>
>>>
>>> Chuck Norcutt wrote:
>>>> Oh, oh!  I forgot that this is the lens apparently assembled with super 
>>>> glue.
>>>>
>>>> Chuck Norcutt
>>>>
>>>>
>>>> John Hermanson wrote:
>>>>> 300 4.5 with oil on the blades.  A fun job! :-)
>>>>> ___________________________________
>>>>> John Hermanson  |   CPS, Inc.
>>>>> 21 South Ln., Huntington NY 11743
>>>>> 631-424-2121  |  www.zuiko.com
>>>>> Olympus OM Service since 1977
>>>>> Gallery: www.zuiko.com/album/index.html
>>>>>
>>>>>
>>>>> Carlos J. Santisteban wrote:
>>>>>> Hi all,
>>>>>>
>>>>>> An unusual view of my F.Zuiko 300mm F4.5: <
>>>>>> http://www.flickr.com/photos/zuiko21/4085731295/>
>>>>>>
>>>>>> Taken with my new Lumix GF-1 (plus 20mm F1.7) -- review coming soon!
>>>>>>
>>>>>> The previous picture in my gallery is the only other one taken with this
>>>>>> little camera, buy maybe not up to anyone's taste. Lots more (either 
>>>>>> film or
>>>>>> digital) will be uploaded shortly -- I hope!
>>>>>>
>>>>>> Cheers,
-- 
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