Placing an opaque object in the light path near the light source is described by Emory in his book, "Practical Microscopy", (1939), as dodging. Dodging and the...
838
Mike Samworth
apochrom@...
Sep 1, 2001 5:22 pm
... Not true. The field of view for, say, a x10 would be in the region of 1 to 2 mm, but a patch stop of 12 mm *may* depending on the actual set-up, be more...
839
raymondsloss@...
Sep 1, 2001 9:12 pm
I assume most of you surfers have come across the excellent sites of the world's leading microscope makers. Just in case you havn't - take a look at: ...
840
Vladimir Vl. Zahov
zahov@...
Sep 2, 2001 5:32 pm
Very good remarks, Mike. Fully agree with you. Vlado...
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Vladimir Vl. Zahov
zahov@...
Sep 2, 2001 5:32 pm
Hi Pino, There is reason in what you say, of course the intensity of the light will affect the image quality in darkfield observations, however for most...
842
julius3@...
Sep 3, 2001 7:28 am
... The problem of light power affects all the contrast methods in trasmitted light microscopy, but it is critical in darkfield. The trend in technology is...
843
Microscope@yahoogroup...
Sep 3, 2001 4:55 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Microscope group. File : /Jay's...
844
Microscope@yahoogroup...
Sep 3, 2001 4:56 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Microscope group. File : /Jay's...
845
diwalk@...
Sep 3, 2001 6:10 pm
... 20Folder/A.bmp Hi Jay Fairly certain this is an algae called a desmid. There's many hobbyists that specialise in these so wary of identifying further from...
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Jay Stanley
jstanley@...
Sep 3, 2001 10:17 pm
Thanks Dave :)...
847
Jay
jstanley@...
Sep 4, 2001 2:39 am
Just uploaded some darkfield images (paramecium, and a few others)...I found a 35mm film canister lid that is opaque and cut a small (1/2") piece of electrical...
848
Jay
jstanley@...
Sep 4, 2001 2:42 am
BTW the canister lid fit the filter holder on my condenser perfect. Jay...
849
Chas. M. Bee
c-bee1@...
Sep 4, 2001 6:39 pm
Hi all - Can anyone tell me what the important measurements to take are to see if my condenser mount system is compatible with other condensers? This...
850
julius3@...
Sep 5, 2001 7:24 pm
The problem of condenser compatibility is related to the mounting system: if there is a U mount, the core problem is the structure of the base, in a ring mount...
851
mark.k.simmons@...
Sep 5, 2001 9:06 pm
I just had to check with Lomo after hearing about what a great deal this darkfield condenser was - I thought! Their quote, from the email that I sent to the...
852
Microscope@yahoogroup...
Sep 6, 2001 3:50 am
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Microscope group. File : /Jay's...
853
Microscope@yahoogroup...
Sep 6, 2001 3:51 am
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the Microscope group. File : /Jay's...
854
julius3@...
Sep 6, 2001 6:14 am
Under $100 you can find a plastic field stop for a 0.9 N.A. old Leitz Condenser! The price of Lomo darkfield condenser is quite normal, regarding the...
855
diwalk@...
Sep 6, 2001 5:14 pm
... know ... Hi Lakeland Microscopes have the OI-13 on their web site at £78 i.e. about $114. See Binocular (1) page. http://www.lakeland-microscopes.co.uk ...
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David Sykes
sykodelia@...
Sep 6, 2001 7:29 pm
Hello Mark, following-on from Dave Walker's comment, you can obtain a secondhand Olympus dark-ground oil condenser DCW1.4 (it's NA) from Lindsey Optical in the...
857
David Sykes
sykodelia@...
Sep 6, 2001 8:00 pm
Looks like I am not allowed to give Email addresses! The internal UK phone number is 01799 513613 Regards, dAVID...
858
mark.k.simmons@...
Sep 6, 2001 8:58 pm
Thanks to all who replied. I was actually just trying to get an answer to the question about whether I was checking for the right model from Lomo Optical....
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Chas. M. Bee
c-bee1@...
Sep 7, 2001 9:20 pm
Some of you might remember that I have been maintaining some moss in a petri dish for a few months now. Well, after moving to an air-conditioned apartment, I...
860
woodshopguy@...
Sep 10, 2001 4:44 am
To start with I can only choose from the following two microscopes..I have no other choices..These two and only these two are available to me.. I plan to buy...
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Vladimir Vl. Zahov
zahov@...
Sep 10, 2001 5:26 am
Hi Pino, Thanks for your input. It is always interesting to hear different opinions and share impressions. Vlado ... light microscopy, but it is critical in...
862
Lee Jones
leejones6@...
Sep 10, 2001 5:54 am
In that price range is a very slightly used Nikon Alphaphot-2 - about 3 or 4 of them have recently gone for that price on eBay. Lee "There are two kinds of...
863
jwkram@...
Sep 10, 2001 5:48 pm
This article was posted today on www.maccentral.com. I have cut portions to shorten it and avoid possible copyright problems. The software is available at...
864
smg@...
Sep 10, 2001 6:47 pm
The InspectaCam product line of high-magnification video stations has been serving the electronics industry since 1992. Now, Sonora Mfg. (makers of...
865
William Carter, Ph.D.
wc@...
Sep 10, 2001 6:56 pm
Hi. My name is Bill Carter. I've been interested in microscopy for as long as I can remember... which, as it turns out, has become a very long time :-) Film...
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David Sykes
sykodelia@...
Sep 10, 2001 9:28 pm
... of mine. ... They are also my interests Bill. I have built a rig using a horizontally-mounted stereo zoom microscope whose optical paths have been...