matching camera lenses

[P3D <gnored@xxxxxxx>]

I've been wondering. On the one hand I see Sam's 3D Hacker web page, 
where I get the impression that as soon as he finds two cameras of 
the same kind, he joins them and creates yet another wonderful 3D 
camera. 

On the other hand, there are the discussions here that lead me to 
believe that the lenses must match exactly, or 3D isn't possible. 

I'm wondering which impression is the most accurate, at least in 
practical terms. I've got two Pentax KXs that I'd like to use for 3D, 
but I doubt if I can find a merchant that will let me "try 
out" half a dozen lenses until I can find two that match perfectly. 
If, by the luck of the draw, I get two lenses that are _not_ matched, 
will I be able to use them?

Gary Nored


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