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Re: [OM] Using enlarging lens/cutting hole

Subject: Re: [OM] Using enlarging lens/cutting hole
From: Gary Edwards <edwardsg@xxxxxxxxx>
Date: Fri, 23 Jul 1999 20:06:29 -0500
When I'm not looking, my wife comes in and randomly switches the key covers 
around.
It must amuse her.  Since I am an excellent typisy, there can be no othwr 
explsnstion.

Cutting the hole could be done with a router, but there are other, less 
exciting ways,
and you need all of those fingers to operate your OM gear.  Jan's suggestion to 
use a
step drill is good, if you can find one that cuts a 39 mm (1.535 in) hole.  The
biggest one I have, doesn't.

Gary Edwards

Tom Trottier wrote:

> I didn't know drills had dresses. I always thought of them as
> masculine.
>
> I guess my brother-in-law's router might be a tad too harsh for the
> plastic.
>
> Tom
>
> --- Original Message ---
>
> Date sent:              Fri, 23 Jul 1999 10:48:06 -0500
> From:                   Gary Edwards <edwardsg@xxxxxxxxx>
>
> > There are several ways, depending on the availability of machine tools.  
> > Someone
> > else has described a method using hand tools.  If you have access to a drill
> > dress, you can use an adjustable circle cutter set to cut the correct size 
> > hole.
> > Clamp the cap carefully to the table, be sure it is centered, adjust the 
> > drive
> > belts to the pulley set giving the slowest speed, and feed slowly.  If you
> > haven't used an adjustable circle cutter before, practice on some scrap
> > material.  They tend to grab, so the secret is a light touch on the feed 
> > lever.
> > When the hole is finished, smooth the burrs with fine sandpaper, working
> > tangentially so the scratches won't propagate as a crack.
> >
> > Good luck,
> > Gary Edwards.
> >
> > Tom Trottier wrote:
> >
> > > To summarise the best advice: make a lensboard out of an OM body cap
> > > using a retaining ring. Any advice on making the 39mm hole?
> > >
> > > Tom
> ...
> ------------------
> From:Tom Trottier, ACT Productions Inc.
>     __o  tom@xxxxxx  http://www.act.ca
>   _ \<   +1 613 594-4829  fax +1 613 594-8944
> (*)/'(*) 199 Holmwood Ave, Ottawa, Ontario Canada K1S 2P3
> "Make it as simple as possible, but no simpler" - Einstein
>
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