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RE: [OM] Focusing screen characteristics: OM 2-x series vs. Beattie?

Subject: RE: [OM] Focusing screen characteristics: OM 2-x series vs. Beattie?
From: Jan Steinman <Jan@xxxxxxxxxxxxxx>
Date: Wed, 7 Jul 1999 12:19:06 -0700
>From: Ross Waite <rmwaite@xxxxxxxxxxxxxx>
...
>My ideal screen would be a
>2-10 (2-4 with grid).  I spoke to the Australian Olympus dealer about a
>special order to have the Olympus factory etch a grid on to a 2-4 screen
>(similar to the 1-10 screen).  His reply was that the screens are not
>etched subsequent to the moulding, but the grid is part of the
>manufacturing process.  He indicated that the factory may consider
>producing a 2-10 screen if 1000 units were ordered...

That sounds expensive, even in a 1000 lot!

Here's a different idea. First, go to eBay or elsewhere and pick up a
dirt-cheap 1-1 screen to practice with. Then use an Xacto knife and a
straight-edge to lightly add your own grid! I've been thinking about doing
that for a while.

As with most such work, the REAL work would be in the prep and set-up. I'd
carefully attach the screen to a workplace using a tiny dab of hot glue on
opposite edges, and at the same time, lightly attach two aligned millimeter
rules to the workspace. Lightly score the ground side of the screen, then
move the rules to the other dimension and repeat.

My guess is that even if you ruin one brand-new 2-4 screen before you
succeed on the second one, you'll still be saving money over a custom order.

: Jan Steinman <mailto:jans@xxxxxxxxxxx>
: 19280 Rydman Court, West Linn, OR 97068-1331 USA
: +1.503.635.3229

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