[Leica] Snow under the scope

[ric at CartersXRd.net (Ric Carter)]

I really look forward to seeing this experiment develop over the winter. 
Nice challenge for yourself.

Great start.

Ric



> On Dec 4, 2022, at 4:41 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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