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Microscope · Microscopy as a hobby or profession.

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  • Members: 2714
  • Category: Biology
  • Founded: Mar 11, 1999
  • Language: English
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Messages 37494 - 37525 of 68380   Oldest  |  < Older  |  Newer >  |  Newest
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37494 rvanwezel Offline Send Email May 1, 2007
9:54 am
Guys, who knows ebay seller dkennedy68? I do not seem to be able to get in contact with him. Thanks, René....
37495 scitech200 Offline Send Email May 1, 2007
12:40 pm
Dave, ... Thanks very much Dave for this explanation. Some members may consider it to be nit-picking, but I believe it's very important that we all understand...
37496 Dave Martindale
dmmartindale Offline Send Email
May 1, 2007
2:36 pm
... Do you know what they mean by this? Do they simply discard the low 2 bits? Or apply a nonlinear coding method? Or lossless compression so that 12 bits...
37497 A. S. St Leger
selwynstleger Offline Send Email
May 1, 2007
2:44 pm
The pdf document available from the link below might be useful to some group members. It looks very helpful and I shall give it a go when next I spot a diatom....
37498 Dogs Afire
dogsafire Offline Send Email
May 1, 2007
4:39 pm
... First, let me say that I am speaking specifically of the Nikon D70/D70s. The way that I read the documentation, they are applying a nonlinear compression....
37499 Salvatore Previtera
salvatore_pr... Offline Send Email
May 1, 2007
4:55 pm
Dear Keith, Your explanation of the "smoothing" of the image, having in mind that in most cases it is used to make portraits which generally benefit from less...
37500 floyd@...
floyd_l_davi... Offline Send Email
May 1, 2007
5:54 pm
... It is also true of other Nikon models. The D2x for example uses the same form of compression. However, there are some variations. The D1 (Nikon's first...
37501 sstephanc Offline Send Email May 2, 2007
4:33 am
My Ortholux has a press-in metal ring that I assume is meant to hold the glass that prevents one from spilling one's drink on the mirror. Mine has no such...
37502 Gordon Couger
gcouger Offline Send Email
May 2, 2007
6:14 am
Scott, All the glass from the Leitz scopes of that era are same size. Finding junker on ebay may be the best deal. If I remember right the glass is thinner...
37503 Peter Weedon
enwode Offline Send Email
May 2, 2007
10:46 am
I recently had some glass circles cut to fit a Watson stereo stand. They were cut for me by a local glass merchant here in the UK. I had a couple of clear...
37504 Peter Weedon
enwode Offline Send Email
May 2, 2007
11:09 am
Hi, all, This is really addressed to Reichert owners in the UK. I recently bought a second-hand wooden microscope box that was locked but had no key. After...
37505 Dan
danrx12000 Offline Send Email
May 2, 2007
12:51 pm
Hi all, I have put a couple of pictures of live stalked diatoms in my photo section. I think I like them live rather than mounted. The link is: ...
37506 Don Williams
edfwilli Offline Send Email
May 2, 2007
1:34 pm
Dan, If I ever saw a case for stacking this is one. Half a dozen exposures is about all you'd need, but 12 wouldn't hurt. Don W ... -- Dr E D F Williams ...
37507 Dan
danrx12000 Offline Send Email
May 2, 2007
2:32 pm
Don, I stacked the same frames, one with Helicon and one with CombineZM and put them in my photos. I have a new camera that is supposed to be delivered today...
37508 Mark Simmons
mksphoto Offline Send Email
May 2, 2007
3:26 pm
Scott, I'd be happy to make this piece for you since I make parts for microscopes and cameras routinely. Or, if you'd like, just contact me off line and I'll...
37510 Rik Littlefield
rjlittlefield Offline Send Email
May 2, 2007
4:02 pm
... http://tech.ph.groups.yahoo.com/group/Microscope/photos/browse/d6bb Dan, thanks for posting out these stacked results. There are a couple of interesting...
37512 Dan
danrx12000 Offline Send Email
May 2, 2007
5:17 pm
Hi Rik and Erik I am not sure I understand what I am looking for. I posted two new stacks from the same photographs. I didn't crop this time and they should...
37513 sstephanc Offline Send Email May 2, 2007
5:28 pm
... organisms ... darkfield ... for ... (1) Even a blank slide will work. The tiniest amount of dust shows up in darkfield. How you set it up depends on your...
37514 Gordon Couger
gcouger Offline Send Email
May 2, 2007
6:05 pm
There are a number of ways to get TIR to work. Ely Silk has the simplest http://www.sas.org/E-Bulletin/2002-07-19/features3/body.html. But I believe it only...
37515 A. S. St Leger
selwynstleger Offline Send Email
May 2, 2007
6:18 pm
In my limited experience, using dedicated DF condensers, the key issue is correct vertical alignment of the components in the optical axis. Once that is...
37516 Rik Littlefield
rjlittlefield Offline Send Email
May 2, 2007
6:33 pm
... Dan, I'm now looking at images named HeliconFocusStack and NewCombineZMStack, in their "Large" sizes. In HeliconFocusStack, which is 800x687 total pixels,...
37517 david barriball
david225418 Offline Send Email
May 2, 2007
7:50 pm
you could use FastStone Image Viewer to flick the two images David ... From: Rik Littlefield To: Microscope@yahoogroups.com Sent: Wednesday, May 02, 2007 7:29...
37518 A. S. St Leger
selwynstleger Offline Send Email
May 2, 2007
9:08 pm
The resolution tables I previously uploaded to the "Files" section of the group have been revised and now contain: 1. Resolution by aperture with typical...
37519 Misho 199
misho1992000 Offline Send Email
May 2, 2007
9:34 pm
Hi, I want to know some informatin about "global...
37520 brn_matsumoto Offline Send Email May 2, 2007
10:38 pm
Hi: I use Darkfield illumination to visualize structures that are smaller than the limit of resolution of the microscope. There are published accounts of how...
37521 Daniel Holloway
danrx12000 Offline Send Email
May 3, 2007
12:33 am
I have to say to your request well yes, it must be an orange because a vest does not have sleeves. Dan ... From: Misho 199 <misho1992000@...> To:...
37522 Maurice Fox
mauricejfox3 Offline Send Email
May 3, 2007
12:45 am
Confusion here. TIFF is a file format. Tagged Image File Format. JPEG is an image format. CCITT group 4 is an image format. Sloppy documentation by a lot...
37523 arizonacynthia Offline Send Email May 3, 2007
5:52 am
I think talking about compression methods and raw format may be talking about apples and oranges. The beauty of raw out of the camera is that the raw file...
37524 lightsurfer2 Offline Send Email May 3, 2007
10:54 am
An inexpensive fix for this is to use 43mm camera filters. They are usually quality optical glass, and the 43mm fits perfectly in the base opening. I use...
37525 Dogs Afire
dogsafire Offline Send Email
May 3, 2007
11:28 am
... Well, if we're getting picky about it, JPEG is not a file format. It is a compression method. The closest thing to a JPEG file format is JFIF, JPEG File ...
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