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Hi Petro,

I'm not sure there's ever been anything "similar to NU2".
Anyway, you can try to compare the magnification of the NU2 objective
lenses side-by-side with regular lenses with known tube lens specs (Zeiss,
Olympus). One issue you may run into, the NU2 lenses look like RMS, but are
not RMS, afaik.

Best, zdenek

On Fri, Jun 23, 2023 at 3:57 AM Khoroshyy Petro <[log in to unmask]> wrote:

> *****
> To join or leave the confocal microscopy listserv or to change your email
> address, go to:
> https://lists.umn.edu/cgi-bin/wa?SUBED1=confocalmicroscopy&A=1
> Post images on http://www.imgur.com and include the link in your posting.
> *****
>
> Hi list.
> Does anyone know what was tube lens focal length used by Jena Zeiss
> microscopes? Like NU2 and similar.
> Thanks.
> Petro.
>


-- 
-- 
Zdenek Svindrych, Ph.D.
Research Scientist - Microscopy Imaging Specialist
Department of Biochemistry and Cell Biology
Geisel School of Medicine at Dartmouth