Re: Nikon Objective 2x/0.05 with Iris Diaphragm
- From: "justbeats" <steve_beats@xxxxxxxxxxx>
- Date: 31 May 2006 14:55:48 -0700
tbrown wrote:
The diaphragm is used to reduce the numerical aperture of the objective
to be less than that of the condenser light cone for darkfield work.
That was my first thought.
But what kind of darkfield condenser has an inner cone N.A. less than
0.05?
.
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