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Messages 39763 - 39796 of 53061   Oldest  |  < Older  |  Newer >  |  Newest
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39763
... Yes, by buying 'any old prisms' (on Ebay for example) and see how they work with your existing objectives. Only one prism needed for Epi. David...
David Sykes
microfunguy
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Oct 1, 2007
7:45 am
39764
Hi Yes you can do the setup by yourself but making own DICprismas will be to hard ? (much more easy to buy them on ebay) Regarding Selling the Zeiss INKO -...
Par Lundqvist
perlundq
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Oct 1, 2007
7:47 am
39766
David, apart from any complex optical arrangement both in transmitted and reflected light, normal or inverted scopes, the general layout of a polarized light...
Salvatore Previtera
salvatore_pr...
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Oct 1, 2007
8:42 am
39767
I've posted a few pictures to the Don Williams photo album showing the top lens alignment jig and how it is used. The Teflon post has a conical recess to hold...
Don Williams
edfwilli
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Oct 1, 2007
11:26 am
39768
DJ, if you pull out an eyepiece and look down the tube you should see the top of the upper objective lens, which is where the intereference figure is formed. A...
J. Gregory
petrographic...
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Oct 1, 2007
12:00 pm
39770
I don't know that there are more variations in AO than others. They were around for over 100 years, so that might have something to do with it. Also, they...
mattbrin
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Oct 1, 2007
2:07 pm
39771
TMT, Well, it's nice to know you won't be bidding against me if one comes up on eBay... Then again, SWMBO won't let me bid over $200, so I think the Nikon H...
Jim Bosley
bosleyjr04
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Oct 1, 2007
2:38 pm
39772
I just got back in town, but RLM = Reflected Light Microscopy and PLM = Polarized Light Microscopy Henry Barwood Associate Professor of Science, Earth Sciences...
Henry Barwood
hbarwood
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Oct 1, 2007
3:04 pm
39773
Cathodoluminescence, as I use it, is what is called cold-cathode Cathodoluminescence. It is basically a vacuum chamber mounted on a microscope with a high...
Henry Barwood
hbarwood
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Oct 1, 2007
3:09 pm
39774
DJ, If you can get a wave plate or a wave patel and a filter betwen the light spitter and the analyzer on the refected light part of the scope it sould do any...
Gordon Couger
gcouger
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Oct 1, 2007
4:25 pm
39775
Don, You can break the bond of both super glue or epoxy at 350 f or with acetone for Super Glue. I use Shellec a lot for a reveraible glue too. Alcohol is its...
Gordon Couger
gcouger
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Oct 1, 2007
4:38 pm
39777
Gordon, I used nail varnish because that's what Clarke used (successfully) and I want to see how resistant it is to immersion oil. I have several other ...
Don Williams
edfwilli
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Oct 1, 2007
6:19 pm
39778
Hi Greg, Could you explain why a LINEAR one, could one of each do that is linear and circular. Thanks David ... From: J. Gregory To: Microscope@yahoogroups.com...
david barriball
david225418
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Oct 1, 2007
7:52 pm
39779
Don, I would condsire heating the whole mess up and using the glue sticks they put in hot glue guns or tinker with sealing wax by adding cod liver oil, bees...
gcouger@...
gcouger
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Oct 1, 2007
7:55 pm
39780
http://www.microscopy-uk.org.uk/mag/artjun03/iwpolar.html this might work David ... From: Gordon Couger To: Microscope@yahoogroups.com Sent: Monday, October...
david barriball
david225418
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Oct 1, 2007
8:00 pm
39781
Matt, How are AO optics compared to Leica, Zeiss, Nikon, and Olympus? I only own AO scopes and have not compared to others yet. The Achromatics are already...
m42minolta
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Oct 1, 2007
8:05 pm
39782
I came across this on the MSA mail list. An electron microscope is to a greater degree than a boat a hole to throw money in. But some of like to do that. If...
gcouger@...
gcouger
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Oct 1, 2007
8:49 pm
39783
David, minerals go "extinct" (dark) as you rotate the stage when a mineral optic axis parallels one of the two linear pol filter axes. Extinction angles are...
J. Gregory
petrographic...
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Oct 1, 2007
9:33 pm
39784
What is your opinion of the danger of UV leakage from the old style AO epi-florescence scopes which have no UV shield as often seen in the modern counterparts?...
polo
dougahart2000
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Oct 1, 2007
11:46 pm
39785
... Hi, In addition to this excellent answer, I would point out a more mundane and practical reason: most of the books dealing with observations of minerals...
DonH
djhmis
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Oct 2, 2007
12:29 am
39786
just the thought makes me not want to ever use one....[[]]] a message dated 10/1/2007 4:47:00 P.M. US Mountain Standard Time, dahart@... writes: ...
COURYHOUSE@...
couryhousesmecc
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Oct 2, 2007
12:52 am
39787
For field work-I purchased the Boreal Prism Microscope from Edmund Scientific. It using natural light reflected from a prism, and takes standard thread ...
microshaw@...
microshaw
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Oct 2, 2007
3:01 am
39788
Salvatore, I see I messed up my explanation about where my polarizing filters are, they are indeed one before and one after the sample. Since Im using an ...
David L. Jones
lokate21
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Oct 2, 2007
3:28 am
39789
Greg, I've been looking for a polarizing filter from an older Olympus PME. They used a polarizing filter that would be quite easy for me to modify to fit my...
David L. Jones
lokate21
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Oct 2, 2007
3:41 am
39790
... modern ... with a UV ... Well without seeing the scope and how much light leaks out of the lamphouse, and/or know what filters are in the light path after...
Bob S.
v45bob
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Oct 2, 2007
4:19 am
39791
Hi Gordon, It would appear that nail varnish should be okay with immersion oil as well as the stuff I use to clean it off after use -- naptha (lighter fluid)....
Don Williams
edfwilli
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Oct 2, 2007
4:22 am
39792
A typical 50w mercury burner. Everything seems tight, no leakage where none is intended, but you get the normal UV light coming from the objective bouncing off...
polo
dougahart2000
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Oct 2, 2007
4:28 am
39793
I have one of these prism microscopes, also. It works well. If you think about it, these are the descendants of the French-made "Drum Microscopes" of the...
Steven Born
stevenbornsfv
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Oct 2, 2007
5:08 am
39794
Mike, If it had a full length tube and way to use a condenser it would be a great instead of very good scope. If I did my math right it 28 mm short of 160 mm....
gcouger@...
gcouger
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Oct 2, 2007
6:04 am
39796
If you look in the microscope catalogs in Gordon's collection, you'll see unfamiliar Dissecting scopes which appear to be only the bottom half of a compound...
stevenbornsfv
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Oct 2, 2007
6:15 am
Messages 39763 - 39796 of 53061   Oldest  |  < Older  |  Newer >  |  Newest
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