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lahnet
Joined: 10 Apr 2007
Posts: 1164
Location: Denmark
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 Posted: Wed Oct 15, 2008 12:32 pm Post subject: CZJ Sonnar 2.8 /180 Advise please (pictures) |
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lahnet wrote:
I just got one from eBay. The aperture is stuck wide open 
Anyone knows how difficult this lens is to fix?
A link would be perfect.
This model
I could sent it back, but the cost... and besides I really like it.
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Last edited by lahnet on Thu Oct 16, 2008 7:51 am; edited 1 time in total |
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LucisPictor
Joined: 26 Feb 2007
Posts: 17633
Location: Oberhessen, Germany / Maidstone ('95-'96)
Expire: 2013-12-03
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| Posted: Wed Oct 15, 2008 12:38 pm Post subject: |
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LucisPictor wrote:
As far as I know this lens is nothing but a P6 lens with an adapter, right?
So, perhaps a silly question, have you tried to push that silver switch at the side of the lens? That can be used to stop down a P6 lens.
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lahnet
Joined: 10 Apr 2007
Posts: 1164
Location: Denmark
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| Posted: Wed Oct 15, 2008 12:53 pm Post subject: |
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lahnet wrote:
| LucisPictor wrote: |
| As far as I know this lens is nothing but a P6 lens with an adapter, right? |
Correct
| LucisPictor wrote: |
| So, perhaps a silly question, have you tried to push that silver switch at the side of the lens? That can be used to stop down a P6 lens. |
Been there, done that. 
I think I need a repair manual.
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Attila
Joined: 24 Feb 2007
Posts: 57849
Location: Hungary
Expire: 2025-11-18
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| Posted: Wed Oct 15, 2008 2:25 pm Post subject: |
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Attila wrote:
This is a very simple lens easy to open and take out blades , don't worry just take a look and try.
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lahnet
Joined: 10 Apr 2007
Posts: 1164
Location: Denmark
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| Posted: Thu Oct 16, 2008 7:49 am Post subject: |
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lahnet wrote:
I will try to fix it myself.
This is what I have done.
First i removed the M42 adapter
Then I removed the 3 screws (arrow)
After removing the 3 screws, it become possible to take a part of.
This is what I am looking at now.
1 This pin moves when I turn the aperture-ring
2 The mechanism to stop down. It seems to work.
3 Only visible screws....Shout I try to removed these now, to get to the blades..?
Any advise....... 
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lahnet
Joined: 10 Apr 2007
Posts: 1164
Location: Denmark
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| Posted: Thu Oct 16, 2008 5:12 pm Post subject: |
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lahnet wrote:
After looking a little bit more, I am thinking about starting taking it apart from the front instead.
Advise is still needed...... 
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