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C-mount -> Arri ST-mount


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#1 Jan Weis

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Posted 10 August 2006 - 02:28 PM

Hi,

I'm looking for some kind of a lens adapter which will allow me to use my c-mount lenses
on a Arri 16s.

Does such an adapter even exist?


Thanks
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#2 Matthew Buick

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Posted 10 August 2006 - 02:39 PM

That's what I want to know.
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#3 Olex Kalynychenko

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Posted 10 August 2006 - 03:13 PM

Hi,

I'm looking for some kind of a lens adapter which will allow me to use my c-mount lenses
on a Arri 16s.

Does such an adapter even exist?
Thanks


Impossible, to set lens with short flange focal distance on camera with long flange focal distance.
Theoretically, this is adapter impossible.
Possible, anybody have other opinion.
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#4 Dan Horstman

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Posted 10 August 2006 - 03:23 PM

I've never seen one.

You could check with B&H or Birns and Sawyer.
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#5 shutter bug

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Posted 10 August 2006 - 05:35 PM

thats right they dont exist because they cant. the back focus is way longer for the arri mounts compared to the c mount. to get the back focus right youd have to sink the lens in there halfway day. you can ofcourse go the other way, i just picked up an arri to c mount.
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#6 david west

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Posted 11 August 2006 - 02:23 AM

some of the c mount lenses can be modified ( i know, ive done it). but these are generally lenses that the manufacturer designed to be modified in this way. the rear element was recessed far enough that machining a different barrel made it possible. the angineaux cmounts are like this, at least the one i modified was...
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#7 Jan Weis

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Posted 11 August 2006 - 06:15 AM

I was afraid such an adapter doesnt exist since it was nowhere to be found
on ebay.

I appreciate all the replies.


/Jan
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