Re: [Rollei] OT: Acute Matte Screen.. Ebay

[Jerry Lehrer <jerryleh >]

Todd

Easier for YOU, goes without saying.  I have seen a number of scratched
mirrors caused by clowns who have tried to adjust the viewing lens
by screwing it in or out.  It's also a lot harder to screw the lens further
in, as I have seen some at the limit of their adjustment.  Fortunately,
when going to a thicker screen, you move the lens out, away from
the screen.

Jerry

todd wrote:

> How about adjust the finder lens. Sounds a LOT easier.
>
> todd
>
> TrueBadger   wrote:
> > In a message dated 5/26/2003 1:13:00 AM Eastern Standard Time, jerryleh   writes:
> >
> >
> >>
> >>GK.
> >>
> >>Yes I may be wrong,. But not if the screen is, as the seller says,
> >>thinner than the original screen.  There just isn't enough room to
> >>accommodate shims on top of the screen. Though possibly thin
> >>plastic strips may be bonded to the top of the screen, thereby
> >>pushing it down to the correct plane.
> >
> >
> > Jerry:
> >
> > Here's how you can make a frame-shaped shim out of brass  shim stock essentially irrespective of how narrow the sides are:
> >
> > 1. Obtain shim stock of adequate size and the correct thickness.
> >
> > 2. Cement it to an aluminum substrate, using plenty of clamping pressure.
> >
> > 3. Mill the shape you desire using a 1/16" diameter end mill, mill THROUGH the shim stock, but NOT through the aluminum
> >
> > 4. Place the entire milled lamination in a bath of hot sodium hydroxide solution.  This will dissolve away the aluminum substrate, leaving the shim intact. If necessary (doubtful that it would be) the epoxy residue can be removed with epoxy solvent.
> >
> > Now obviously this is not preferable, but it shows that where there is will, there is generally a way.
> >
> > G. King
> >
> >
> >

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