[photo-3d] Re: Newbie question-near point distance

["Michael Galazin" <rexlion22@xxxxxxxxxxxxx>]

George Themelis wrote:
>"If the stereo base *needed* to be changed for every
>change of focal length, then RBT would not be making
>twin SLR stereo cameras with zoom lenses."
To which Mike Davis replied:
"Your argument here is that if RBT thought there was any merit in changing
the base with a change in  focal length, they would have incorporated
variable base into their design.  So, not only was their decision to use a
fixed base design not a compromise, you regard (at least at this writing)
their design choice to be proof that there's no need to adjust the base
when focal length is changed."
- - - -

Well, these thoughts occurred to me too when I first read George's post, but
then I realized that he's just saying that RBT would stick to fixed-FL
lenses, probably around 35-50mm, if zooming outside that range would
necessarily cause visual problems in the end product.

However, I think the real issue in this lies buried where George uses the
word "needed"....and the stereo base doesn't *need* to be changed,
true....but come on, George, you know perfectly well that the issue is
whether or not it is *advantageous* to change the stereo base when changing
FL.  Ya know, sometimes I think you like to word things a certain way just
to get a rise out of someone. :)

That's all I have to say about this.  Now you two be sure and count to ten
before you say any more!  :)  Before long, one of you is liable to be
bragging, "my stereo base is bigger than your stereo base..."  LOL

Best regards,

Mike Galazin


 

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