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Messages 20284 - 20313 of 53061   Oldest  |  < Older  |  Newer >  |  Newest
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20284
Gregg, It is amazing what image processing can do in this area and a great many more. I worked with a little of it in the early days but it has progressed a...
Gordon Couger
Gordon@...
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Oct 1, 2004
7:22 am
20285
The tops screw off the 600 series condeser so you can get a 1.4 top by its self if you can find it. They are not easy to find. But they are out there. Gordon ...
Gordon Couger
Gordon@...
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Oct 1, 2004
7:25 am
20286
Thanks Jim. Can I deduce from this that as soon as people realised blue light is more refracted then red (eg by a prism--Newton?), therefore a blue light...
rvanwezel
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Oct 1, 2004
10:57 am
20287
In message <20041001005850.GE19039@...>, Tom Hawkeye Mitchell <mitch48@...> writes ... In Japan, AIUI, there is a school of thought...
David Littlewood
dmlittlewood
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Oct 1, 2004
12:43 pm
20288
The Gemmary has more of Dan Kile's excellent petrographic microscope book listed. If you are into anitque microscopes or are on the lookout for a good ...
Ron
ronneumeyer
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Oct 1, 2004
1:25 pm
20289
Gordon, You are right of course, a Leitz immersion 1.25-1.4 NA screw off top is really all I need. Anybody have one they would be willing to part with or...
mwparrow
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Oct 1, 2004
2:38 pm
20290
Hi, I might know of a spare one of those condensers, at least I'm pretty sure it is the 600 series. The condenser I know of is the condenser on pg. 90 of the...
Kevin Sunley
kswpg
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Oct 1, 2004
2:49 pm
20291
In message <002b01c4a7ba$153a6280$9335cf18@eliminator>, Ron <ron@...> writes ... I can second this; I bought a copy a few months ago, and it is ...
David Littlewood
dmlittlewood
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Oct 1, 2004
3:19 pm
20292
Torino 01 October 2004 (ITALY) Hi all, truly I did not believe that my question about cutting wax would rise a such animated argument. It means that the ML...
Massimo
massimo_to
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Oct 1, 2004
3:58 pm
20293
It is my experience that wet will work better, as long as you have what we yanks call "wet dry" sandpaper. The backing and adhesives are designed for use with ...
John Raffensperger
jraffensperg...
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Oct 1, 2004
4:35 pm
20294
Hello Aaron, Thank you for your comments, and taking mine in the spirit in which they were intended. At home, I am a simple microscopist with antique ...
Gregg Kleinberg
microscopeman1
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Oct 1, 2004
4:36 pm
20295
Hi, all; My PM-10A (early version) control box has terminals for X-Sync; I have also seen in the brochure for the later PM-10 system that it will fire a PM-LSS...
Tim Phillips
uclpanda
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Oct 1, 2004
8:02 pm
20296
Dear Rene: I would think so.... also David Brewster around the same time (1830s) applied filters to narrow down the wavelength of transmitted light. The...
James Solliday
oldscope
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Oct 1, 2004
8:05 pm
20297
The edge holding properties of steel are not directly connected to hardness or other qualities. The older blades are usually not as hard and easier to sharpen....
Gordon Couger
Gordon@...
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Oct 1, 2004
8:34 pm
20298
I would think that as soon as filter were available it became obvious that you could see more detail with blue light than red. Using water solutions of...
Gordon Couger
Gordon@...
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Oct 1, 2004
8:53 pm
20299
Yes indeed, in fact as mentioned earlier, David Brewster did experiment with glass containers with colored water or fluid. His most famous work however, was...
James Solliday
oldscope
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Oct 2, 2004
1:23 am
20300
Some weeks ago, people were asking about sources for ethyl alcohol. In New Hampshire today, I bought a (750 ml?) bottle of Clear Spring Grain Alcohol for about...
J. Forster
j_forster911
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Oct 2, 2004
2:56 am
20301
I picked up a Unitron Zoom lens today, marked 1:6.5 and it has a supplementary 2x lens screwed on the front. Is it designed to go directly onto a TV camera or ...
J. Forster
j_forster911
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Oct 2, 2004
5:49 am
20302
John, Most of their stuff it good enough to use but not good enough to talk about using. You should be able to see differences between unitron lenses and...
Gordon Couger
Gordon@...
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Oct 2, 2004
10:03 am
20303
I doubt it was that obvious with all the lens faults etc. Besides, who had a good notion of wavelength difference?? R....
rvanwezel
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Oct 2, 2004
10:57 am
20304
It is very obvious between red and blue light. Try it and see. Gordon ... From: "rvanwezel" <renevanwezel@...> To: <Microscope@yahoogroups.com> Sent:...
Gordon Couger
Gordon@...
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Oct 2, 2004
11:52 am
20305
Hi all, someone can reply to this question: I'd like to know which tipe of Leitz's microscope fits objectives marked *oo/- or *oo/0. Thanks in advance for any...
Riccardo
itaric55
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Oct 2, 2004
4:18 pm
20306
Hi, I recently found a Leitz Photar 25mm objective. This objective is designed for macrophotography and has a RMS thread. Upon close examination of the...
scopes_r_us
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Oct 2, 2004
6:12 pm
20307
Hello John, The Unitron zoom lens that I recall had an RMS thread for mounting into an RMS nosepiece, and would work with a compound microscope optical path....
Gregg Kleinberg
microscopeman1
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Oct 2, 2004
6:36 pm
20308
Refinancing your home has never been easier and more profitable. Our staff works exclusively to save you as much money as possible on any home loan. We secure...
nr597839
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Oct 2, 2004
7:26 pm
20309
... The OD of the thread is a mil or two under 0.800 so could be RMS. I've not counted the TPI. Does anyone know if the thread for the smaller (CCD) TV cameras...
J. Forster
j_forster911
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Oct 2, 2004
7:38 pm
20310
You are correct, John, This lens is a bit much for a traditional benchtop microscope stand. Please note I mentioned compound microscope optical path, not...
Gregg Kleinberg
microscopeman1
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Oct 2, 2004
8:25 pm
20311
Riccardo, I think those are infinity objectives if the oo looks more like a '8' laying on its side. the /0 would show that they are to be used without a...
Gordon Couger
Gordon@...
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Oct 2, 2004
8:57 pm
20312
I just posted some photos of an objective that came into my posession (rentzrentz). Its markings read "FL54X 1.00 N.A. OIL". It is 15 mm in diameter and has...
rentzrentz
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Oct 2, 2004
9:38 pm
20313
Gordon, at first thanks for the reply. They are exactly infinity objectives but I don't know in which type of Leitz's microscope can be used. I have two old...
Riccardo
itaric55
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Oct 2, 2004
9:45 pm
Messages 20284 - 20313 of 53061   Oldest  |  < Older  |  Newer >  |  Newest
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