[MF3D.FORUM:268] Re: Loupes

[Steve Berezin <sbere@xxxxxxxxxxxxx>]

Greg Erker wrote:

> >About 68mm.
>
>   Dang.
>
> >I was able to get it to work by sanding the ridges (~2mm each) off the side
> >of the plastic loupe housing.  I am toying with the idea of machining a plate
> >to hold the lenses in and maybe figuring out an easy way to do interocular
> >adjustment.  I have been using a Logan slimline light box for lighting.
>
> ridges-> http://www.russiancamera.com/images/4xpanoramic.jpg
>
>   Clever. Would be nice if no mods were
> necessary but this is much better than
> cutting the side off (something I was
> afraid would be required).
>
>   So, with your configuration, is it easy to see
> the corners of both L and R simultaneously (i.e
> without shifting your head relative to the viewer)?
> Do you wear glasses or not?

I wear glasses.  It seemed pretty easy to see both L and R but it was very close
to the edge of the viewing range.

>
>
>   I wouldn't worry about I/O adjustment. When you
> have big diameter lenses* spaced at slightly more
> than the infinity spacing of your slides then every
> can view without diverging their eyes.
>
>   If you move the lenses together (less than inf
> spacing) then it helps people with narrow set eyes
> see the whole image, but they then have to diverge
> their eyes.
>
>   (* assuming these loupes are big enough dia)
>
>   I'm highly tempted to whip up a viewer based on
> these loupes. The price is somewhat higher than
> the surplus lenses many of us have bought but it
> does solve the lens holder problem and gives you
> focusing too.
>

I can refund your money if they don't look like they would work out (before they
are hacked of course).


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Steve Berezin
Berezin Stereo Photography Products
21686 Abedul
Mission Viejo, CA 92691
USA