Search found 7 matches

by Patrick
Sun Feb 10, 2019 1:42 pm
Forum: My microscope
Topic: Olympus CH-2
Replies: 38
Views: 15889

Re: Olympus CH-2

For anyone still interested in more info on UV absorption by glass an other materials - Ben Krasnow, from Applied Science, just released quantitative results of his research on eyewear and sunscreen with a deuterium light source at https://youtu.be/vwsHRrDYu5o Better to be safe then sorry ;) UV_s.jpg
by Patrick
Fri Feb 08, 2019 12:50 pm
Forum: My microscope
Topic: Olympus CH-2
Replies: 38
Views: 15889

Re: Olympus CH-2

I'm just considering buying a CH-2 but hesitating because of their age. Any thought you can share with me on what to be aware of? Hope you can help I have to say the whole thing was a bit intimidating at the beginning despite the fact that I've been a tinkerer my whole life. Mostly because of the o...
by Patrick
Mon Feb 04, 2019 11:18 pm
Forum: My microscope
Topic: Olympus CH-2
Replies: 38
Views: 15889

Re: Olympus CH-2

I've never really thought about trying fluorescence illumination, but was wondering if it would be possible to convert a standard illumination system using UV LEDs, and then using a dark field stop in the condenser for low power and a dedicated dark field condenser for higher powers. Would that pre...
by Patrick
Mon Feb 04, 2019 10:53 pm
Forum: My microscope
Topic: Olympus CH-2
Replies: 38
Views: 15889

Re: Olympus CH-2

Looks good. I have one or two - or is it four, of those all different. They do get a bit hot, don't they?! Is the disc we can see in there something you made up? And have you reused the lamp dimming part? For the radiator I used a leftover of an aluminium rod I had laying around. Its 32mm dia and 2...
by Patrick
Sun Feb 03, 2019 11:04 pm
Forum: Microscopy accessories
Topic: 3D print CH2-FH Filter Mount for CH2-DS Darkfield Central Stop on Olympus CH-2
Replies: 2
Views: 3188

Re: 3D print CH2-FH Filter Mount for CH2-DS Darkfield Central Stop on Olympus CH-2

Thank you for the info.

I'm new to the hobby. Internet is full of misleading information and DIYs that sometimes don't make sense. I decided to take this one slowly while I build up my experience ;)
by Patrick
Sun Feb 03, 2019 10:58 pm
Forum: My microscope
Topic: Olympus CH-2
Replies: 38
Views: 15889

Olympus CH-2

Oldie but goodie :) I got it from eBay, as not hard to imagine, in quite poor shape but after few hours of cleaning and proper lubrication it moves and works like a dream. Probably because I put all those hours into it I love my very first microscope to bits :D IMG_20181220_161711_s.jpg Of course I ...
by Patrick
Sat Feb 02, 2019 10:17 pm
Forum: Microscopy accessories
Topic: 3D print CH2-FH Filter Mount for CH2-DS Darkfield Central Stop on Olympus CH-2
Replies: 2
Views: 3188

3D print CH2-FH Filter Mount for CH2-DS Darkfield Central Stop on Olympus CH-2

Hello, I wanted to share my mod for old, but in great shape, Olympus CH-2. I was able to acquire CH2-DS Darkfield Central Stop on eBay from a seller in USA for about £13.75 + £14.65 shipping :( ... I didn't want to create this part without knowing proper dimensions. IMG_20190130_155434_s.jpg The Mou...