richardbowman 0 research notes and 0 wiki edits | Joined about 3 years ago

I'm a research fellow in optics & photonics at the University of Cambridge. I've worked in microscope for a good few years now, and am interested in how we can make low cost, high performance devices like microscopes and micro manipulators, and how they can be used for new science projects.





Where can microscope lenses (objectives) be bought?

warren asked about over 1 year ago

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"@kgradow1 are you using one of the openflexure optics modules? If so, that might explain why the 10x lens didn't work as expected. Finite-conjuga..." | Read more » about 1 year ago
"Hey, for the Openflexure Microscope I tend to buy the lenses from Aliexpress, usually Sunlight Optical but there are many suppliers. The mass-prod..." | Read more » about 1 year ago
"@kgradow1, you're dead right - the pitch of the pixels on the camera module (v2) is 1.12um so the fine particles do show up as little dots. Fun fa..." | Read more » over 1 year ago
"Hey, nice work! I thought I'd chime in with some information about tube length in case it's helpful. You're right that most RMS microscope object..." | Read more » over 1 year ago
"Hi @squattingdog, just thought I'd pop up and say that the openflexure microscope is still very much under active development - I've improved my bu..." | Read more » over 1 year ago
"Hello, "Cambridge" here (though I've actually moved now). You're right, a laser diode would certainly get rid of the chromatic issues. I suspect ..." | Read more » about 2 years ago
"Hi @matthew, great that you've got some images :) Looking at your graticule, I think your illumination might be misaligned - the blue-yellow gradi..." | Read more » over 2 years ago
"Brilliant - I've wanted to make a carry case for absolutely ages, but other things keep getting in the way. I'll be excited to see what you come u..." | Read more » almost 3 years ago
"Hey, nice work :) I have also had problems with the legs getting detached during printing, and discovered there was a bug in my OpenSCAD code - it..." | Read more » almost 3 years ago
"Hmm, yeah - getting things to reliably push-fit without crazy excessive force is quite tricky between printers, it could just be that your printer ..." | Read more » about 3 years ago
"Super. Oh, and I meant to say - the hexagonal holes are deliberately oversized, they taper down at the end to grip the nut firmly. The idea is yo..." | Read more » about 3 years ago
"Hi Matt, good to hear you got it working :) I have switched to single elastic bands now, and you're right, it does make it much easier. The ins..." | Read more » about 3 years ago

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