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loosening tight focus ring


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#1 Brian Rose

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Posted 18 May 2006 - 10:31 PM

Hey all,
I just bought a Yvar 150mm telephoto lens for my Bolex, and it is great, except the focus ring is a little tight for my taste. When I turn it, it tends to stick through friciton, as though the lubricant was worn away. Anyone know how I could loosen it up? More lubricant? How?

Thanks!
Brian Rose
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#2 John Mastrogiacomo

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Posted 19 May 2006 - 03:00 AM

Hey all,
I just bought a Yvar 150mm telephoto lens for my Bolex, and it is great, except the focus ring is a little tight for my taste. When I turn it, it tends to stick through friciton, as though the lubricant was worn away. Anyone know how I could loosen it up? More lubricant? How?

Thanks!
Brian Rose

There is probably a lot more wrong with your lens than you think. Every used lens I buy, I get completely re-built so I know there will be no problems with it. Your only solution is to send it to a qualified technician for repair. I send all my lenses to:

Stuart Rabin at:

http://www.focusoptics.com/

He is NOT cheap, but he is very good.

:)
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#3 Dan Salzmann

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Posted 19 May 2006 - 08:06 AM

+1 on the lens technician.
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#4 Hal Smith

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Posted 19 May 2006 - 09:58 AM

Your only solution is to send it to a qualified technician for repair. I send all my lenses to: Stuart Rabin :)

Good advice - ZGC has done a good job of checking out and fixing older Cooke lenses for me.
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CineLab

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Media Blackout - Custom Cables and AKS

Gamma Ray Digital Inc

Aerial Filmworks

Opal

Broadcast Solutions Inc

Glidecam

Rig Wheels Passport