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88442

High-Tolerance Dichroic-Mirrors

I'm posting this along the lines of the debate we got into about the high-tolerance cover-slips, and; the comparison photos that Zeiss has posted. Semrock has
rich_guy_looker
2:26 PM
#88442
 
88441

Re: Zeiss Pancratic Condenser Annular Diaphragm

Hi Charles, It is 3mm. I tried bigger and smaller, they worked fine but 3mm seemed to be the best. One advantage I failed to mention is that one is free to use
Peter Webber
Feb 9
#88441
 
88440

Re: Zeiss Pancratic Condenser Annular Diaphragm

Hi Rich, According to R.M. Allen, The Microscope, 1940, p. 104, the original Pancratic condenser by Zeiss Jena was, at that time (when a flat substage mirror +
rbuck
Feb 9
#88440
 
88439

Re: Zeiss Pancratic Condenser Annular Diaphragm

Hi Peter, Thank you for your assessment of the condenser. Helps to know what to expect. What is the diameter of the central dot for your homemade annuli?
charles.2211
Feb 9
#88439
 
88438

Re: Zeiss Pancratic Condenser Annular Diaphragm

Actually the reference below is to the Zeiss Jena pancratic condenser, while Charles has the Zeiss West system. The word pancratic means nothing more than
Peter Webber
Feb 9
#88438
 
88437

MicroBioBlitz, Saturday the 13th, Oakland, CA

The San Francisco Microscopical Society, California Center for Natural History, and PLACE for Sustainable Living present MicroBioBlitz, an event where we will
Peter Werner
Feb 8
#88437
 
88436

Re: Zeiss Pancratic Condenser Annular Diaphragm

And here is an article that should help a lot: http://www.microscopy-uk.org.uk/mag//artjan09/rs-amplival.html Don
DJH Yahoo
Feb 8
#88436
 
88435

Re: Zeiss Pancratic Condenser Annular Diaphragm

Rich, He has pages from the catalog scanned into the gallery, if you follow the link in his original post. Don
DJH Yahoo
Feb 8
#88435
 
88434

Re: Zeiss Pancratic Condenser Annular Diaphragm

Charles, for the benefit of everybody, could please briefly explain what are the big differences between a pancratic condenser and a regular condenser? can
rich_guy_looker
Feb 8
#88434
 
88433

Zeiss Pancratic Condenser Annular Diaphragm

Hi, I just acquired a Zeiss Pancratic Condenser as shown here: Microscopy as a hobby or profession.
charles.2211
Feb 8
#88433
 
88432

Re: Dan - help needed

That works fine Ann, You have the right idea, showing both sides of each objective and the photos are a good size, close enough to be readable.. Hint, you
rbuck
Feb 7
#88432
 
88431

Re: Dan - help needed

I decided that since I don't really know how these forums work, it would be easier for me to post photos on a blog. I'm posting one item per post. It's at
danrx12000
Feb 7
#88431
 
88430

Lecture, London April 7th, hi-res microscopy by Nobel laureate Prof.

Hi Folks in London on April 7th may be interested in the 'IET Kelvin Lecture 2016' entitled 'Optical Microscopy: The resolution revolution' by Professor Stefan
triops56
Feb 5
#88430
 
88429

Re: Contacting Group Members

Ahh - OK - that's what I should have tried - I was trying to do it from the web browser, but looking at the messages in Outlook, it's all right there! Thanks.
donnwtwo
Feb 4
#88429
 
88428

Re: 100w Mercury Bulbs New vs Used?

Hi Ricardo, I haven't looked at the Cree site for several years; what an amazing expansion of products. Your link was bad but it was easy to find the XT-E data
rbuck
Feb 4
#88428
 
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