Nikon FN1 mechanical tube length question

Posted by John Oreopoulos on
URL: http://confocal-microscopy-list.275.s1.nabble.com/Nikon-FN1-mechanical-tube-length-question-tp7584228.html

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Hi,

A general question for anyone out there who is familiar with Nikon microscopes (including any Nikon representatives that may be listening in on the listserver):

Is the mechanical tube length (also called the "reference focal length" on infinity corrected systems) - ie: the distance between the objective and the microscope tube lens the same on a Nikon FN1 upright microscope as it is for a single-deck Nikon Ti Eclipse inverted microscope?

For reference:
https://www.microscopyu.com/articles/optics/cfintro.html

Many thanks if anyone out there knows the answer.

Cheers,

John Oreopoulos