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valjo
Joined: 10 Oct 2008
Posts: 68
Location: Bulgaria
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 Posted: Wed Aug 05, 2015 4:24 am Post subject: asking about dismantling the lens Petri 1.8/135 |
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valjo wrote:
Does anyone know the correct order to dismantle the lens Petri 1.8/135 for service purposes (stuk apperture, relubing of focusing helikoid, cleaning the optical lensblock)?
Or link where is shown and described?
This lens can be found under the name Spiratone, Accura, Mitake, Polaris, Admiral ...
Thank you!
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Canon D60
3.5/135 Jupiter 37A |
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Attila
Joined: 24 Feb 2007
Posts: 57849
Location: Hungary
Expire: 2025-11-18
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| Posted: Wed Aug 05, 2015 5:09 pm Post subject: |
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Attila wrote:
I have this lens, simple construction any general instructions works with it.
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valjo
Joined: 10 Oct 2008
Posts: 68
Location: Bulgaria
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| Posted: Tue Aug 25, 2015 4:41 am Post subject: |
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valjo wrote:
Is it normal for the second and third lens (from the top) to touch each other?
By the assembly that bothered me if properly set them, because indeed they touch each other in their center.
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Canon D60
3.5/135 Jupiter 37A |
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ZoneV
Joined: 09 Nov 2009
Posts: 1633
Location: Germany
Expire: 2011-12-02
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| Posted: Tue Aug 25, 2015 5:29 am Post subject: |
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ZoneV wrote:
To be very close is ok, but really touching each other in the center seems for me wrong.
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cyberjunkie
Joined: 24 Mar 2010
Posts: 282
Location: Chiang Mai, Bologna, Amsterdam
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| Posted: Fri Jan 18, 2019 10:52 pm Post subject: |
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cyberjunkie wrote:
It is an old post, but I have seen the same info repeated elsewhere... so better give the right details, in case someone comes to this page following a Google search.
The brands mentioned in the first post do not refer the same lens.
The Petri CC is like my Raynox Polaris (M42), and was made by Yoshida Industries (Raynox).
The Mitake-made one is like my Porst in PK mount.
Here is a diagram of the optical designs of the various f/1.8 135mm lenses, with pics showing how they look and details about most of the various rebrands (Copyright Alf Beharie)
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