[MF3D.FORUM:261] Re: Loupes

[Steve Berezin <sbere@xxxxxxxxxxxxx>]

Greg Erker wrote:

> >The lens is slightly larger than 1 1/4" visible (32mm), the glass is
> >probably a bit larger.  I have plenty of these so I will offer discounts
> >for
> >multiples or match prices BTW.
>
>   Great.
>
>   What is the outside size of the base
> of the 6x6 loupe?

I need to add the disclaimer that all the measurements below were done with a
ruler and may not be totally accurate.

About 68mm.

> (I.E. can two be
> placed at the right separation to view
> Spicer mounted MF slides {~65mm infinity
> separation)?
>

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.

>
> >I was able to take one apart fairly easily and was delighted to see that
> >it too has a multi-element (presumably achromatic) coated lens.  I amy
> >be able to get the lens separately if needed.
>
>   Did you happen to measure what the
> lens diameter is?

~35mm.


> Or the clear aperture
> at the rear of the loupe?
>

That would be 2.5" or 63.5mm.

>
> Thanks - Greg

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