MicrobeHunter.com Microscopy Forum

I am stunned that MichaelG required snail-mail postal from 'UK-eBay'. charlie g Not actually from ebay, charlie g The snail-mail arrangement was imposed by Tesco Bank [the supplier of my MasterCard] They posted a special letter, with a tear-off security layer embedded … this revealed the six-digit ...

I had a similar problem [U.K.] when trying to set-up my Tesco Credit Card on ApplePay Tesco will only send security codes by SMS … unlike PayPal, who will make an automated call to a land-line. It took a couple of weeks to sort out, because they insisted on sending me a physical letter, by Royal Mai...

Beautifully shot … and very well-observed.

You are clearly ‘in your element’

Thanks for sharing it.

MichaelG.

More detail from Leitz >> less comprehension This, from one of the Heine Condenser leaflets is “interesting” . source Right.jpeg . All I can say is that the 63x is a very pleasing objective to use … its working distance is longer than that of the 10x … and the resolution is all one could reasonably ...

Strangely enough … I recognised the name, from an enquiry that I made in 2021 They were offering an interesting USB 3 camera at the time [before most others had made that leap] … it came to nothing, because of shipping arrangements, but I remember them being helpful and courteous. MichaelG. . . Sent...

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Beautifully done, hkv

MichaelG.

. Thanks for the further replies … I now need to expand upon my original question What design of eyepiece, on what instrument ? As originally stated: although the lower lens element works as a very nice ‘magnifying glass’ … I haven’t found any setting where the complete device will achieve focus ! …...

A friend on the Model Engineer forum has just posted this video … which I’m sure will be of interest to microscope restorers and customisers.

https://youtu.be/y6BXE4uDW-Q

Happy experimenting !

MichaelG.

Thanks for that … I shall investigate further

MichaelG.

I have a Nikon item which appears to be one of these: https://www.ebay.com/p/3037734298 https://www.ebay.com/itm/275027711597 Unfortunately, I have no idea what it is intended to fit … and strangely, although the lower lens element works as a very nice ‘magnifying glass’ … I haven’t found any settin...

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In principle, the radius of curvature of your cleaning tool needs to be equal to, or less than, the curvature of the lens surface.
… In practice, this is getting worryingly close to being “a pointy thing” … so the answer is with great care and considerable finesse.

MichaelG.

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A great success story … and a mystery solved for me !

I had often wondered what connection there was with the Royal Air Force

MichaelG.

Thanks … I accept all the opinions

My point [badly made] was that there is a “Zeiss” microscope for which cheaper compatible Chinese objectives might be available.

MichaelG.

Yes, I realise that … but it doesn’t stop it being a Zeiss product.

the affordable range of Zeiss microscopes

MichaelG.

It tells you almost nothing … but I thought this very brief video worth sharing, for its glimpse of the manufacturing:
https://youtu.be/Xn--qBs0_p8?feature=shared

MichaelG.

This is relavent to Chinese infinity microscopes only. […] I have not seen a Zeiss knockoff system from China […] That said … am I not right in believing that the affordable range of Zeiss microscopes is made by Motic ?? MichaelG. . Ref . https://www.microbehunter.com/microscopy-forum/viewtopic.php...

… I just tried again to use the "short barrel" lens, but the SW380B only goes down so far, and I can't get anything except as shown in the photo. Strange, right? … . Just for the sake of curiosity … try putting a slide on a couple of spacers about 10mm high [stacks of coins would do] and then see i...

Here’s a previous discussion, which might possibly be of interest:
viewtopic.php?t=7790

MichaelG.

I admit to being rather surprised that you can see no sign of an image at all … but this, by Oliver, is worth watching:
https://youtu.be/-4HzdclIW3A?feature=shared

MichaelG

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Bedtime reading:

https://www.e-consystems.com/blog/camer ... c-cameras/
MichaelG.

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Regarding software compatibility …
This line from the previously posted spec. for the camera is [if it is entirely true] very useful:

Support for drive free protocols: USB Video Class (UVC)

MichaelG.

Sorry, I will have to keep this brief for now, and hope that others in different time-zones will fill-in some of the gaps The different frame sizes are available for convenience … depending on how you wish to view or record the imagery, … What is not disclosed, is whether the smaller sizes are simpl...

@MichaelG: I understand some of what you're saying, but what numbers do I multiply to find out the active area vs the physical chip size? If Sensor size: 8.365mm(H)x6.615mm (V), what do I need to look at to compute active area? I'm a bit lost here... But thank you for your feedback! I'm learning a ...

I have no personal experience of the HAYEAR cameras, but that specification is remarkable both for its resolution and frame-rate. … both very impressive. One thing I would mention though is the chip size Do the maths and you will see that the active area is significantly smaller than the physical si...

Thanks for the [overnight for me] burst of activity

MichaelG.

Thanks for that Erik … I will sleep better now

MichaelG.

Welcome, Alexander MichaelG. Translation to English reads: Hello, my name is Alexander, I'm new to microbiology, but I'm very interested in the B 102 C microscope, two capacitors, light and darkened, but this microscope is not very suitable for me, I came across the choice of Olympus BH2 Flourescent...

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316 views so far … and not a single comment
I am a little disappointed

MichaelG.

An interesting little mechanism … thanks for sharing the photos

MichaelG.