Sand
May 11, 2013 23:00:18 #
Specifically, sand from Omaha Beach in Normandy. Have not been doing much photography lately with the birth of two grand sons (yeah, tons of pictures there!) and was looking at the microscope and the film canister I filled with Omaha Beach sand and...
Grains are about .1mm across.
http://ericpix.net/Online/Misc/grains_1.jpg
Grains are about .1mm across.
http://ericpix.net/Online/Misc/grains_1.jpg
May 12, 2013 04:16:53 #
Excellent study! Lots of silica, mineral rock, and shell particles.
Looks like close to 10:1 magnification (10x life-size). What microscope set-up used?
Looks like close to 10:1 magnification (10x life-size). What microscope set-up used?
May 12, 2013 16:00:29 #
I used a 4x objective and an Amscope camera adapter which says 2X on it. I have a bunch of images of a stage micrometer that lets me measure to 10 micrometers, but need to shoot the series over again with the new camera adapter.
May 12, 2013 16:04:52 #
ngc1514 wrote:
Eric: how do light it? I have a 5x objective, but I'm right on top of the subject. lighting almost has to be very directional or I get the shadow from camera+lens.I used a 4x objective and an Amscope camera adapter which says 2X on it. I have a bunch of images of a stage micrometer that lets me measure to 10 micrometers, but need to shoot the series over again with the new camera adapter.
May 12, 2013 16:07:17 #
Your posted image is esthetically pleasing. Would you be so kind as to post the original image (no borders), and check the box labeled "(store original)", so we may enlarge your image?
May 13, 2013 14:04:06 #
Nikonian72 wrote:
Your posted image is esthetically pleasing. Would you be so kind as to post the original image (no borders), and check the box labeled "(store original)", so we may enlarge your image?
Here ya go:
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