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Diatom IRC: just seized a Smith Reflector and need info help

(20)
Randall, Thanks for clarifying that "quarter wave" may mean two completely different entities ! Cheers,Ricardo On Friday, May 22, 2015 6:46 PM, "'rbuck'
Ricardo Tsukamoto
20
posts
9:30 PM

Moving the focal plane in fixed increments

(16)
I'll point out that scanners rarely utilise steppers any more - it is all about servos these days, but for light duty, steppers can be puchased on amazon for
Alysson deMerel
16
posts
May 22

Re: New file uploaded to Microscope

(82)
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 : /Havics/PCM
Microscope@yahoogroups.com
82
posts
May 21

Is Phase Contrast unfit for Histology or Macro specimens ? Never wa

(31)
The phase rings in old (1989-) 160mm Nikon CFN planapos are uncommonly thick (radially speaking)... about three times as thick as the image of the substage
Peter Webber
31
posts
May 21

Basic question about stereo microscopes and long working distances

(16)
Thanks for the recommendations, and the warning about the Stereozoom 7. Most of the Nikon and Olympus microscopes are at the top of my price range but I 'll
david.jewsbury
16
posts
May 15

Zeiss GFL grains

(9)
You are right. I measured a diameter o 3.5 mm and a pitch of 0.6 mm. The pitch is in agrement with a metric thread, and so I hope. The only problem now is to
salvatore_previtera
9
posts
May 15

Olympus BX45 Questions

(18)
Thanks to all who have commented, I am learning lots and having wonderful fun getting to know my Olympus BX45TF, which is quite a leap from what I am used to.
kurtm1959
18
posts
May 12

Diatom best viewing goes by Interference Reflection Contrast ?

(30)
Dear Rich, Thanks for the translation. Interference-kind phenomena have been used in a multitude of optical contrast strategies, each one adopting a different
Ricardo Tsukamoto
30
posts
May 10

Typical apparent distance of eyepiece field stop or reticle?

(6)
Hi Dave, I finally got around to reading your write-up. Very clear exposition, thank you. Leitz uses a -M suffix on their 170 mm TL focusable eyepieces
rbuck
6
posts
May 7

These Microorganisms Live On You Right Now!

(9)
Wow this is very interesting! Thank you triops56 Coincidentally, the BBC News website today has an article reporting the findings of a study of the microflora
allmicroscope
9
posts
May 7

Smith reflector for Diatom IRC: DIY possible ?

(23)
Hi Merv, Naturally I've continued to try the same setup with other progressively older objectives including a Zeiss 1/12" 1.30 of about 1890 or so. You will
Peter Webber
23
posts
May 6

Nikon S-Kt Compact power supply

(9)
Sorry, absolutely no idea; it's not a design I've seen on anything else. Problem is that a potential replacement doesn't have to be very different to be too
graham_comptonuk
9
posts
May 5

Nylon gear for Nikon Model S

(34)
There are two approaches to 3D "CAD" ... One uses traditional drawing techniques to generate a wireframe model - these programs are complex and have a long,
Alysson deMerel
34
posts
Apr 28

Image of Surprised Young Woman at Microscope

(17)
Hi Michael Yes, the irony of that choice of photo for the article subject amused me as well. The story goes deeper in that case as notice it is for the Open
triops56
17
posts
Apr 27

Image down the tube

(30)
Thank you all for the kind suggestions. The adjustment seems to have worked. These small screws are difficult to work with. I never know how much force to
optotinker
30
posts
Apr 25
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