On Thu, 8 Feb 1996 09:32:37 +0100 Ciro Di Ciro wrote:
 
 
>
> I have a doubt about theorical resolution of my objectives.
>
> For example, I know that it's better use a XY step smaller than the
beam
> diameter of the laser.
> Now, I know that the spot diameter of my 60X is 0.21 mm and the spot
> diameter of the 100X is 0.23  mm.
> My question is: do I have a better resolution with 60X instead of
100X ?
> It is the opposite of that my logic suggest...have some confused
ideas about
> this problem.
>
 
I don't understand what the 'spot sizes' refer to. Assuming you have
diffraction limited performance in your system the resolution depends
only on the numerical aperture of the lens. The higher the numerical
aperture the higher the resolution.
 
Regards
Mark Cannell
 
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