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paxety · Joined: 10 Sep 2003 Posts: 69 Location: Florida

I want to remove the front element of my 159mm EWA lens from its Betax 3 shutter. I want to clean the lens, not disassemble the shutter. The lens doesn't budge when twisting it with moderate pressure.

There is a metal ring around the outside of the lens - it's flat on the front surface of the shutter, and it has one small hole (perfect for inserting a paper clip, ice pick, etc.)It's like a retainer ring rather than part of the lens. I don't have anything similar on my Copal, Compur, Graphex or Kodak shutters, so I'm not sure of its purpose.

Does this ring have to come off to release the lens, or do I simply need to apply more pressure? The lens is so small, there's very little to grab.
Thanks,
john

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http://simmonsphotos.com

[ This Message was edited by: paxety on 2004-08-17 09:13 ]

primus96 · Posted: Tue Aug 17, 2004 5:34 pm Post subject:

Better to send the lens to SK Grimes. Maybe the shutter could use a clean at the same time as the lens?

RichS · Posted: Tue Aug 17, 2004 6:12 pm Post subject:

I have a 159 in a Betax #3 here also. Mine is a fairly standard setup with both elements screwed right into the shutter like every other lens I have. No extra ring?

Could your be some kind of push-on filter adapter? If you could supply a pic, it would help a lot...

You are talking about the front, right?

paxety · Joined: 10 Sep 2003 Posts: 69 Location: Florida

Yes, I am talking about the front element. I don't see how to post a picture on this site, so I've put one on my own site. Please excuse the sorry digital photo.

http://simmonsphotos.com/Blog/Betax3.html

Thanks again.
John

_________________
http://simmonsphotos.com

Dan Fromm · Joined: 14 May 2001 Posts: 2146 Location: New Jersey

paxety · Joined: 10 Sep 2003 Posts: 69 Location: Florida

No, Dan, I haven't yet tried anything other than moderate hand pressure. I wanted to get an opinion on that "extra" ring before I tried any more force. I'll probably try one of those rubber-like jar opener pads.

The rear element screws right out - the front one is giving me trouble.
Thanks,
John

_________________
http://simmonsphotos.com

RichS · Posted: Tue Aug 17, 2004 7:09 pm Post subject:

paxety · Joined: 10 Sep 2003 Posts: 69 Location: Florida

Thank you very much. Just what I needed to know.

And the tire trick worked, too.
John

[ This Message was edited by: paxety on 2004-08-17 15:01 ]

tsgrimm · Joined: 04 Apr 2004 Posts: 158 Location: SE Michigan

I will second the automobile tire. I tried in vain to remove the rear element(less surface area to grip than a front element) from a Kodak Flash Supermatic until I found a reference to this and other posts about using the tire.

Great to have a little help from your friends.