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So how do I get a lens off the lensboard?

 
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Schmell



Joined: 25 Aug 2002
Posts: 19

PostPosted: Mon Aug 26, 2002 9:11 pm    Post subject: Reply with quote

Yeah, I'm new to this. When I got my Crown I also got an old Calumet CC-400 monorail. This way I have a camera for the field and one for the studio. Now the Calumet came with a lensboard, but no lens. The Crown came with the ubiquitous Ektar 127. From just eyeballing things, it looks like the lensboard on the Calumet will take the Ektar as well. Which would be nice for me since right now I have only one lens until next pay-day.

So how in the name of Weegee do I get this Ektar lens off? It doesn't seem to come off with a firm twist of the wrist. And I am not big on forcing 50 year-old pieces of gear. Do I need a special tool (there are three holes that seem like they might take a special tool of some sort)? More force? Nose Grease?

Yeah, I know ideally I will want to keep the lenses mounted. And the Ektar will be kept at home on the Crown lensboard eventually since it wouldn't give me the movements I seek on the Calumet, but hey, for now I'll work with what I got.
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45PSS



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

PostPosted: Mon Aug 26, 2002 9:55 pm    Post subject: Reply with quote



[ This Message was edited by: 45PSS on 2005-12-25 10:47 ]
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Les



Joined: 09 May 2001
Posts: 2682
Location: Detroit, MI

PostPosted: Mon Aug 26, 2002 11:10 pm    Post subject: Reply with quote

Look at getting a Graphic View to Graphic Camera lens board. This will allow you to mount all or nearly all of your lenses on Speed graphic boards, but will fit seemlessly onto your Calumet.

Graphic View and Calumet 400s both take a metal 4" board.
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Schmell



Joined: 25 Aug 2002
Posts: 19

PostPosted: Thu Aug 29, 2002 12:49 am    Post subject: Reply with quote

Hmmmmmm.... Well my lens doesn't have slots on the mount. What it does have it a flange which is screwed into the back of the lens and which holds it onto the lensboard. This flange has a rim on it which is about 1/4 of an inch AWAY from the lenboards. The rim has three holes in it.
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45PSS



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

PostPosted: Thu Aug 29, 2002 1:56 am    Post subject: Reply with quote

Quote:

On 2002-08-28 17:49, Schmell wrote:
Hmmmmmm.... Well my lens doesn't have slots on the mount. What it does have it a flange which is screwed into the back of the lens and which holds it onto the lensboard. This flange has a rim on it which is about 1/4 of an inch AWAY from the lenboards. The rim has three holes in it.


And assuming that there are screws in the holes that hold it to the lens board, then hold the board in one hand and with the other turn the lens in a counterclockwise direction to remove it. Use a cotton cloth to cover the lens can help for hold comfort. Be carefull not to put pressure on cocking lever, release lever, pc socket or bi-post, or iris adjustment lever as these items can bend or break. Lens that have not been removed in a long time may be stuck, if so use a quick "snap" type turning action.
Charles

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The best camera ever made is the one that YOU enjoy using and produces the image quality that satifies YOU.
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Schmell



Joined: 25 Aug 2002
Posts: 19

PostPosted: Thu Aug 29, 2002 11:45 pm    Post subject: Reply with quote

See, there are no screws in the holes. This thing looks like the type of device one would mount to the board with screws, except it is BACKWARDS. Instead of the flange with the holes in it being against the board, they are ABOVE it.

It looks like this:

=============== <--- Flange
| |
| |
------------
Back | | <---- Lens
-------------------------
Front
^
|
|

Lens board


So it looks like it is almost the reverse of what it should be...

I'm guessing....

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RichS



Joined: 18 Oct 2001
Posts: 1468
Location: South of Rochester, NY

PostPosted: Fri Aug 30, 2002 3:03 am    Post subject: Reply with quote

Well, sometimes I just get the urge to lose two cents

Yep, it sounds like your flange is mounted backwards. But there's nothing wrong with that. I have one here mounted that way because it wouldn't fit the 'right' way (large lens) and I didn't want to carve down the flange.
As long as it holds the lens to the board, it's fine. As far as unscrewing it, all the above suggestions still hold true. You could turn the lens and hope the flange doesn't turn with it. You could try holding onto the flange with something. I _don't_ recommend large pliers... But I've done that too. I've also made a strap wrench out of strips of leather to hold such things. Or you could purchase a lens wrench. They go for anything from 12 bucks up to 75 or so. The cheap ones do work, for a while. But it would have to be placed into the screw holes and you've got a real chance of doing damage to the flange, although minor. They do tend to slip out of the holes if you're not careful... You'd have to get one with pin tips, not the flat tips.
I would recommend trying a good twist. If the flange moves with the lens, then buy or make a strap wrench. They only run about 20 bucks or so at Sears and hardware stores...
The best suggestion was to just leave it alone and buy the adapter board. They work great.

[ This Message was edited by: RichS on 2002-08-29 20:05 ]
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45PSS



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

PostPosted: Fri Aug 30, 2002 5:52 am    Post subject: Reply with quote



[ This Message was edited by: 45PSS on 2005-12-25 10:46 ]
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