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Kreuznach Xenar 135mm f4.7 lens replacement

 
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nicolaslaborie



Joined: 29 Jun 2010
Posts: 9
Location: London

PostPosted: Thu Apr 28, 2011 4:11 pm    Post subject: Kreuznach Xenar 135mm f4.7 lens replacement Reply with quote

Dear all,

My lens is jammed and i was wondering ( from your experiences ) if it easier/cheaper to buy a new lens than repairing it.

My camera is a Crown Graphic and Kreuznach Xenar 135mm f4.7 lens

Thank you for your help

N
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45PSS



Joined: 28 Sep 2001
Posts: 4081
Location: Mid Peninsula, Ca.

PostPosted: Thu Apr 28, 2011 6:10 pm    Post subject: Reply with quote

How do you mean jammed?

Aperture blades frozen/will not move?

Shutter will not operate?


Other???????????
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Capitain Boar



Joined: 20 Mar 2011
Posts: 18
Location: Moscow

PostPosted: Fri Apr 29, 2011 12:59 pm    Post subject: Reply with quote

I think you can find a similar shutter and replace a jammed one with it.
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nicolaslaborie



Joined: 29 Jun 2010
Posts: 9
Location: London

PostPosted: Fri Apr 29, 2011 8:00 pm    Post subject: Reply with quote

i mean, the shutter doesnt operate...
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45PSS



Joined: 28 Sep 2001
Posts: 4081
Location: Mid Peninsula, Ca.

PostPosted: Fri Apr 29, 2011 9:45 pm    Post subject: Reply with quote

Send it to a shutter repair facility/person and have them evaluate it. Many times a jammed shutter is as easy to service as a slow running one.

I recommend removing the lens cells from the shutter before sending them out for service. The cells should unscrew from the shutter and use standard right hand threads, turn right to tighten, turn left to unscrew. The cells are sometimes stuck from age and you have to use a rubber strap wrench or jar opening aid to unscrew them.
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nicolaslaborie



Joined: 29 Jun 2010
Posts: 9
Location: London

PostPosted: Sat Apr 30, 2011 6:16 am    Post subject: Reply with quote

Thank you for all this info - very much appreciated. N
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