Re: focused laser beam size on stage

Posted by Craig Brideau on
URL: http://confocal-microscopy-list.275.s1.nabble.com/focused-laser-beam-size-on-stage-tp7578908p7578937.html

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The A1 has an automated beam expander for its Chameleon.  It's calibrated
for each lens.

Craig



On Wed, Aug 29, 2012 at 12:28 AM, Pascal Weber <[hidden email]>wrote:

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> The black ring is not normally done in plastic but metal (Zeiss objectiv).
> Normally the stand contains a lens that compensates for filling the pupil
> for
> each objectiv (except Nikon ?!!). The laser power is not concentrated on
> this
> ring.
>