Archived posting to the Leica Users Group, 2022/12/05
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Thanks Don and Ric.? Snowed again last night but I slept through it.? I have a few other ideas on a background.? Read somewhere the best flakes are between 20 and -15F.? Still kind of warm at 28 this AM. Aram On 12/4/2022 4:34 PM, Don Dory wrote: > 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 >> >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information -- 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