Re: [photo-3d] One Ricoh behind the other

["David Lee" <koganlee@xxxxxxxxxxxxx>]

>
> If you don't have infinity in the shot you can get surprisingly close with
a
> 6" separation, especially using 28 mm lenses.

I totally agree with this.

I've recently been
> experimenting with putting the left XR-10M partly behind the right one.
> This gives me a lenses separation of 3 3/4", with the left lens 2 1/4"
> behind the right one.  Using 28mm lenses I've taken lots of nice "people"
> shots at distances between 5 and 10 feet.  At 10 feet I can't detect a
> difference in the size of the two images.  Closer in the right image is
> slightly larger, but not enough for me to notice in a Red Button or Holmes
> viewer.


 Of course custom prints or digitally manipulated images could be
> adjusted to match exactly.
>
This is a minor point and one might think it picky of me to point it out,
but, however small the differences between these two images, they can not be
adjusted to match, either optically or digitally, because the difference is
not a matter of magnification, but increase as the objects get closer. At
infinity there would be essentially no difference and the size differences
would increase as the distance decreased, so as you adjusted an object in
one image to match the other, the rest of the image would be getting farther
off. (But in most cases the differences would be so small it wouldn't even
be worth trying to adjust.)

David Lee



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