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Blurry Images (related to focus)


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#1 Modesta

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Posted 29 August 2012 - 09:40 AM

I have an Aaton XTR and I just got a adapter for C-mount lenses (PL - C-mount).
Just tried the C-mount lens with the adapter and it's all blurry. Diopter is correct so it's not that.
I've never used this camera before, recently got it. Any ideas?
I got the adapter here:
PL ADAPTER-C-MOUNT LENS
https://www.google.c...iw=1276&bih=660
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#2 Kip Kubin

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Posted 08 February 2013 - 01:31 AM

This may not be any help but I can mount my Cooke in a way the it is slightly out of focus and won't get to infinity.

If I carefully take off the lens and make sure it's seated correctly everything is fine.

As my mount is aaton and not pl this may be of no help...have you tried putting a pl lens on and see if that works correctly?
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#3 Gregg MacPherson

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Posted 08 February 2013 - 06:06 PM

I have an Aaton XTR and I just got a adapter for C-mount lenses (PL - C-mount).
Just tried the C-mount lens with the adapter and it's all blurry. Diopter is correct so it's not that......


Some of these ideas about the PL - c mount adapters has been discussed before. Some good answers from Dom Jaeger and others.

Do you have the adapter fitted the right way ? With the relatively small FFD of c mount, the lens should be sitting deep in the adapter in order to achieve that. If it's the wrong way around then you will only be able to focus on very close objects (by eye).
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