P3D Re: PHOTO-3D digest 2521

[The Searcher <hopi@xxxxxxxxxx>]

Paul,

Hi!

>Date: Fri, 16 Jan 1998 23:18:42 -0800
>From: Paul Talbot <ptww@xxxxxxxxx>
>To: photo-3d@xxxxxxxxxxxxxxxxx
>Subject: P3D Re: Please offer you opinions on viewer optics...
>Message-ID: <34C05B52.2DF1@xxxxxxxxx>
>
>In the KII and the Red Buttons I have used, I have noticed a
>couple points not yet mentioned:  the particular KII I have
>now (DrT'd) seems to have "whiter" light than the Red Button,
>which changes the apparent colors of a slide.  (Same bulb in
>each viewer.)  Also , the KII lenses do not rack in far enough
>for me to use without my glasses, while the Red Button lenses do.
>
>> Lefty asks:
>> I once found a beautiful Green Button, in new condition
>> in the box. I plugged it in, dropped in a slide, pressed the button
>> and... ew! There was something screwy about the lenses!
>
>Can you be more specific?

The problem I experienced was that the image could not be focused, and
there was terrible distortion around the perimeter. It must have been an
alignment thing.

There are a number of things that could
>be wrong with a viewer that has not had maintenance.

No, this viewer was new, in the box. Still smelled new.

For example,
>the lenses could have been moldy.  This is a common problem with
>stereo viewers, not specific to a particular model.  You state
>the KII you then tried was "clear as a bell,"

I meant, sharp and distortion-free as a bell, I guess.

 suggesting the
>Green Button lenses were not clear, which could have been due to
>the mold problem.
>
>What about the light bulb and power source?  Are you comparing
>apples to apples?  The perceived image through a viewer can vary
>dramatically with different bulbs, variations in the power fed to
>the bulb (e.g., rheostat setting; output of the batteries as they
>age).
>
>Could the KII have been a modified and improved version such as
>the kind worked on by DrT?  The difference again is very large.
>
>So, we really need more information to properly diagnose what
>you experienced.

I understand.

And thanks a lot for offering your opinions/advice. I appreciate it.

Lefty

>
>Paul Talbot




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