Search found 10 matches

by DrPhoxinus
Sat Sep 14, 2019 7:41 pm
Forum: Microscopes and optics
Topic: Leitz ortholux nosepiece and stage repair
Replies: 5
Views: 1892

Re: Leitz ortholux nosepiece and stage repair

Thanks,

I will do that.

Gerard
by DrPhoxinus
Fri Jul 26, 2019 11:46 pm
Forum: Microscopes and optics
Topic: Leitz ortholux nosepiece and stage repair
Replies: 5
Views: 1892

Leitz ortholux nosepiece and stage repair

Well I saw an Ortholux and a charity website and saw by its serial number it was a later one that what I owned. This model had a field iris and a trinoc head. It had no objectives. Well they shipped it in a box with a little brown paper, it was criminal, The head was shaken off. I had to redo and ti...
by DrPhoxinus
Sat May 25, 2019 4:55 pm
Forum: Off Topic
Topic: A great documentary streaming service
Replies: 3
Views: 5411

Re: A great documentary streaming service

This forum was the deciding factor in my decision.
I teach Genetics and Evolution online.
I wish my students had access to these videos.

Ordering through Amazon was easy.

Gerard
by DrPhoxinus
Fri Apr 12, 2019 9:12 pm
Forum: Introduce yourself
Topic: Hello from Southeast Michigan
Replies: 1
Views: 2998

Hello from Southeast Michigan

Like a number of you I had a childhood that involved the curved glass of both telescopes and microscopes. Add to this ham radio, my first introduction to the invisible. I have a PhD in biology and karyotyped a number of minnows, and discovered the hybrids between Phoxinus eos and Phoxinus neogaeus w...
by DrPhoxinus
Wed Apr 10, 2019 10:49 am
Forum: Miscellaneous
Topic: Slow Windows load even with SSD
Replies: 2
Views: 4418

Re: Slow Windows load even with SSD

I find the free programs Ccleaner and Glary utilities very useful. There can be gigabytes of detritus on your system

Gerard
by DrPhoxinus
Sat Apr 06, 2019 11:29 am
Forum: My microscope
Topic: Chinese microscope manufacturers overview
Replies: 72
Views: 20889

Re: Chinese microscope manufacturers overview

Maybe this is why I own 4 AOs, 2 Leitz and 2 Zeiss. I cant get over how much microscope you can buy for about $100.

Gerard
by DrPhoxinus
Sun Mar 31, 2019 10:24 pm
Forum: Off Topic
Topic: How to Choose Eyepieces for Your Astronomy Telescope..
Replies: 1
Views: 2339

Re: How to Choose Eyepieces for Your Astronomy Telescope..

Thanks for posting this. Many of us have telescopes but lice under cloudy skies. Microscopes are more reliable
Gerard
by DrPhoxinus
Thu Mar 28, 2019 10:39 am
Forum: Pictures and Videos
Topic: Testis of Fish TS
Replies: 4
Views: 1602

Re: Testis of Fish TS

I have karyotyped a lot of minnows and they are 2n=50.
I would guess what you have here is Umbra limi which is in the pike family. 2n=22, large metacentric chromosome s used in various studies

Gerard
by DrPhoxinus
Wed Jan 30, 2019 5:06 pm
Forum: Microscopes and optics
Topic: AO Series 10 questions
Replies: 1
Views: 820

AO Series 10 questions

My last acquisition was at a charity site- A monocular series 10 with a strange condenser. Well when the scope arrived included was a paper to using darkfield to detect Treponema spirochetes in blood. The scope had health department stickers on it. Well the condenser is a 218F. Does any one use it. ...