Archived posting to the Leica Users Group, 2022/12/04
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]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