MicrobeHunter.com Microscopy Forum

Looks like they found a ref which already has an adapted beam angle... So far, I didn't find a ref of such a LED. LED's are quite complex / can of worms This page and the next one on has some info: https://luminusdevices.zendesk.com/hc/en-us/articles/15571205799181-What-LED-Optical-Characteristics-...

@jackieone additionally... Trinocular port (C-mount) on stereo zoom microscope: Add a picture of your trino head, and more details about its model. Will be helpfull. You say your trino has a c-mount port? And according to your initial post, you intend to order an optic for a 38mm photo port, which w...

@jackieone I told you to first plug your camera in place of an eyepiece, it is foreseen for this. And see the images, with your 0.5x adapter. That way: https://m.media-amazon.com/images/I/71ZzqtYJFPL._AC_UF350,350_QL80_.jpg Trinocular port (C-mount) on stereo zoom microscope: We still don't know wha...

P.S. __ I had never seen that Motic LED module before, but I think it features in the second part of this video https://youtu.be/46PeQ-sMA4M?feature=shared Correct, that LED module is designed for BA310 or BA410, comes in a aluminum housing (heatsink), it plugs in the bulb socket, and as shown in t...

I now found that Osram doc, about LED illumination, including for cameras. "Compared to traditional fluorescent light sources, LEDs instantaneously translate their operating current into light , without much smoothing effects . Simple, cost effective circuit designs can lead to a lower quality of li...

[The convex lens for these expensive microscopes seems to include a focal length enough to concentrate the light into the condenser, although I wonder if there are no more special efforts. It seems to be quite standard lens, easy to find. This is for some Zeiss microscope: https://i.ebayimg.com/ima...

I'm very interested in these tiny dimmers without flickering to try a LED replacement. The most common way to dim a LED/DC motor/bulb is PWM. Pulse width modulation, a square electric signal with a variable duty cycle. Illumination depending of the duty cycle and the resulting analog level. For our...

In order to par focal a microscope camera, used with the trinocular port of a stereo zoom microscope The camera adapters you got are foreseen to fit into an eyepiece mount. Remove one eyepiece, plug your camera into, and see what you get out from your 0.5X adapter. And from the eyepiece adapter wit...

try https://live.staticflickr.com/65535/536 ... 9142_z.jpg between image quotes

there'll be more.... I found the URL by other ways. In what you posted, I see this, being the URL to be added here: footer="true" href="https://www.flickr.com/photos/200481794@N08" title="">< img src=" https://live.staticflickr.com/65535/536 ... 9142_z.jpg [/b]" width="800" height="600" The URL: ht...

It doesn't seem to be supported by Flickr (and others) either. Find the URL of the image, and use it here...

Not sure this is supported here....

Try again

Additionally, please, define, what this "good bulb" is. I've found not much about CK2 models. They seem to work with 6V 20W bulbs. What is adequate for yours should be written on a sticker, at the scope rear panel. On the rear panel, you shall also see an indication about the fuse rating or this "gl...

Images are not so good, don't allow to see things closer... That wire was probably just a little bit burned by the soldering process. Shouldn't be an issue. The little glass tube is a fuse. Do you see a small wire inside of it? If that tube is empty, it could have blown. You will then have to replac...

A picture of my 5L "jar" or indoor pond. I have to clean a bit things in there. But who cares? That "grass" shall need CO2, a costly setup. I have none. It has just grown around. The minimum probably being some acceptable illumination for plants to grow. https://pbs.twimg.com/media/GKgprqPWYAA1LvB?f...

My setup is "low tech", see on Youtube, how "low tech aquariums" or "Walstad style aquarium" work. Filter less aquariums, filters being the costly parts of nowadays sold aquariums. No fertilizers either. Just let things go. Instead of filtering, fit some plants and algaes in the jar, with some groun...

Hum... > please do not hold to idea that all life ( protists, meiofauna, and our scale: megafauna) do not go on all seasons.. > I will say that in some seasons I get a lot of amebae and larger micro-animals I do not know exactly what is going on in my jar. But it is factual, as I have day illuminati...

Hum... my "jar" is a huge 5L jar with illumination, a lot of plants inside, and a little 10W heater for constant 25°C

Maybe not the best as seasons are gone in there

I am working almost entirely with protists in a jar of stagnant water--not from a natural source. In a jar, you may be limited by what survived and growed in there. I once had a lot of hydras in my jar, but they seem all gone since months... You may perhaps buy some cheap plants or moss in any aqua...

Hi, Only bigger organisms have the ability to hunt? But some smaller seem to move a lot around on a slide... I've seen several but rare videos on YT, of amoebas, hydras or other small organisms eating others, or of small protozoan sucking out plant cells contents. One of those videos showing an hydr...

I received this promotional link from Evident, and am posting it here for general interest/discussion https://view-su3.highspot.com/viewer/66045456bc8bc3417086b790?iid=635b9ea473b518b8afacceb5 That shall interest apochronaut. At around 3'40", the engineer seems to check and wipe dust away by a simp...

On the subject of cilia, I was lucky enough to capture these cilia, top left of the ciliate, in their "return" phase. https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEihcSpLdgUofb5woaytyPpRsFE-qNG8nOBYDoGUdJvisz7U0niqR11Dmyx8CkaEY9h_j-f8sEa6TrPknfuEnmlakoLBVmxt2AL9kCYn7SHKaFZRNjnfE_L65-pc...

You make a very good point … but perhaps that ‘short’ description reveals that most previous observers have seen less detail than you have. The motion of individual cilia is, I believe, rather like a whip-crack and therefore exceedingly difficult to image. … I think you are already doing better tha...

Hobbyst46 wrote: ↑

Sat Mar 30, 2024 8:20 pm

It removes much of the 450nm blue tint of a 6500K LED

My "cosmetic" problem not being the blue tint, which would be easy to fix. But aberrations popping into the blue/green spectrum, like here:

I tested also different methods to filter or attenuate colors, with yellow and amber filters, wasn't satisfying or magic either. Try a "Kodak F1 Pale yellow" filter; it seems to chop off the 'stand alone' blue band pretty cleanly. I cant find a crossover (the Lee pale-yellow gelatine is not the sam...

Hi, I noticed no more motion can be interesting also. Hawing looked at a live one, I was surprised by how it looked like after my slide ended drying up, by the length of cilias. I may be wrong, other are welcome to comment, but usually, they seem to be described as being short. Here you see the diff...

I finally found some options. Keywords for search engines being "ESD ionizer".

Some being very cheap, but I suspect those could be common ozone / negative ions generators only.

That is a promotional video, shows the effect, shows also how to work with an ESD desk pad + wrist band:

above all, don't hesitate to post photos of the LEDs once installed. I am very impatient to see your lighting system. . . Will take some time. I got big LED heat sinks. Shall allow me to adapt them to common photo 1/4 mounts. Plus LEDs and 5°beam optics that nicely pop and fit firmly on the LEDs. B...

apochronaut if you believe the gun you found is an option, go for it. Add a desk pad plus a wrist band, get some ESD bags for tools and parts. An optimal pulsed AC corona generator would be easy to build. Looking for a adequate pulse transformer, I quickly found a "High Voltage Stun Gun Transformer ...