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Re: [photo-3d] Stereo magnifiers

John Goodman wrote:
> 
> I also use a head-band type twin magnifier for checking mount
> details. It says "10" which must be diopters, but has about a
> three inch working distance or focal length with my eyes. This
> is a standard "Optivisor" 

The OptiVISOR has lens options from 2 to 10 Dioptre
listed on this web page:

http://www.xtronics.com/optivisor.htm

A quote:
"The OptiVISOR is the fountain-of-youth for your eyes;
it lets you see the small things just as you did as a teenager."

Cliff Howard


 

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