Cymothoe sangaris

Charles Krebs · Post by **Charles Krebs** » Mon Sep 21, 2009 11:22 am

A couple more butterfly wing scales.

The first is the "basic" pattern shot. The second a raised vein where I have not "stacked" it through to the background scales.

Olympus BHA with BH2-UMA vertical illuminator. Darkfield cube. Olympus Neo SPlan 20/0.46. Canon 50D.

Olympus BHA with BH2-UMA vertical illuminator. Brightfield cube. Olympus SPlan 20/0.46. Canon 50D.

ChrisR · Post by **ChrisR** » Mon Sep 21, 2009 11:33 am

Always looks like a tiled roof where the tiles are too small. I'll have to cut one up and see how they work. I'll have to buy a butterfly though, haven't seen one I can remember. A moth will do, we have those!

I'm intrigued by the word "cube" is that just a microscope insert?
How is the lower one Darkfield?

Charles Krebs · Post by **Charles Krebs** » Tue Sep 22, 2009 10:59 pm

Chris,

In the illuminator are positions for two "cubes". They both take the incoming light and direct it downward via a beam-splitter mirror. One directs the light directly through the objective optics, the other directs the light only through the "cylinder" surrounding the objective (a "BD" type) where an annular reflector directs it onto the subject as with a ring-light.

Check it out here:
http://micro.magnet.fsu.edu/primer/anat ... ected.html

http://www.olympusmicro.com/primer/tech ... flect.html