PanoTools:
Re: entrance pupil - nodal point
David Sykes 2004-Nov-11 19:34:02
Rik Littlefield wrote:
> he is just finding where the
> laser must be pointed to get the most light through the lens.
> Wouldn't that be the center of the entrance pupil?
No, because the lens refracts the beam to get it through the entrance
pupil.
Michel's 'aim point' is the front nodal-point, I think.
Anyway, I will mess around with the Sigma and the telecentric.
David
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