[Leica] Snow under the scope

[Don Dory]

Really nice graphics.

On Sun, Dec 4, 2022, 3:41 PM Aram Langhans via LUG <lug at leica-users.org>
wrote:

> Well, finally some snow that looked good enough to try.  Nice looking
> flakes, but it is not much below freezing, so hard to keep then intact
> to put them under the microscope.  They survive OK, but the light from
> the scope takes its toll.  It is an overhead LED, but light is still
> light, and black is still black and absorbs light and heats up.  With
> only 2 degrees F leeway, it is not enough.  Will have to hope for more
> snow when it gets colder. Here are are a few first attempts.  I had to
> change background materials as the one I bought was too fibery and you
> could hardly see the flakes for the fibers.  These are just black matte
> board, all I could find that was handy.
>
> This one is not too bad as it was setting a bit above the surface of the
> board, so not too distracting.
>
> _DSC2588 (leica-users.org)
> <http://gallery.leica-users.org/v/Aram/w22_001/s/_DSC2588.jpg.html>
>
> This one shows the board texture and you can see where the flake is
> melting already.
>
> _DSC2598-Edit (leica-users.org)
> <http://gallery.leica-users.org/v/Aram/w22_001/s/_DSC2598-Edit.jpg.html>
>
> And this one had melted almost flat on the board so no real separation.
> The texture of the board is very evident, but still way better than the
> felt I had originally thought to use.
>
> _DSC2590-Edit (leica-users.org)
> <http://gallery.leica-users.org/v/Aram/w22_001/s/_DSC2590-Edit.jpg.html>
>
> I am thinking I will take some microscope slides, freeze them, then put
> them on the matte board.  They should hold the flakes far enough away
> from the board surface that the texture might not show up.
>
> These are all stacked images of 3-5 images for DOF.
>
> Comments and suggestions welcome.
>
> Aram
>
> --
> Aram Langhans
> (Semi) Retired Science Teacher
> & Unemployed photographer
>
> “The Human Genome Project has proved Darwin more right than Darwin himself
> would ever have dared dream.”   James D. Watson
>
>
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