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Videomicrography

 
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twebster
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Joined: 19 Apr 2004
Posts: 1518
Location: Phoenix "Valley of the Sun", Arizona, USA

PostPosted: Wed Oct 19, 2005 10:08 am    Post subject: Videomicrography Reply with quote

Videomicrography...by Tom Webster

For a couple of years now I have been shooting video clips of the organisms I have observed through the microscope. I have modified a Logitech Zoom web camera to capture video clips in either 640 x 480 pixel resolution or 320 x 240 pixel resolution. As much as I enjoy making still images through the microscope, video clips allow me to watch the behavior of the organisms time and time again
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Tom Webster
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Think about this...maybe Murphy is an optimist!!!
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Garry DeLong



Joined: 04 Apr 2005
Posts: 38
Location: Portland, Oregon USA

PostPosted: Mon May 08, 2006 10:59 am    Post subject: Reply with quote

Tom,
I'm sorry I've been away so long. I hope you're still interested in this stuff.

The first link is a closeup of an amoeba psuedopod--the large oval object that flows through--is it the nucleus? I was sloppy as usual about making notes, but this resolution and lighting is typical of my 10X objective which translates to a total field on camera long axis of 425 microns--which translates to the equivalent of a 40 X eypiece!!
[url]http://www.garrydelong.com/demos/micro_video_demos/pseudo_ts_di.mpg [/url]

This has been identified by a an annelid expert (Mark Wetzel, Uof Illinois) as a fly larva, probably midge and not an annelid as I originally suspected. Signal features of identification are the eyespots and the antennae primordia ("horns").
[url]http://www.garrydelong.com/demos/micro_video_demos/fly_larvae_diS.mpg [/url]

Broadband will probably be essential as these are large files. The second link sometimes gets an error message but then will often work if I try again !?

Wow, I'm really having problems with the logistics of this thing. Perhaps if I can get any of this up, you can cut and paste, otherwise, I'll come back again soon...
Garry DeLong
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