T3D Re: Single Lens Stereoscope?

[Peter Homer <P.J.Homer@xxxxxxxxxxxxx>]

John Bercovitz replied to my post

>I'm not sure what it is that you don't understand.  My apologies for
>being so slow.  I'll try to explain anyway.  Not knowing what I'm
>talking about should not be an impediment to free discourse.  8-)
>
>The stereocard is on the ground and upside down to you.  You put a
>long lens between you and it.  The lens makes real images nearer
>your eyes than the object or lens.  These images are inverted.  The
>lens also acts as a pinhole causing the left image on the ground to
>be directed to your right eye.  Since the image on the ground is
>inverted, its right image is on your left.  The pinhole effect,
>then, corrects this.
>
>Was it a clean miss?  8-)
>
>John B




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