smurpau 0 research notes and 0 wiki edits | Joined over 3 years ago

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"Yeah, the webcam itself gives a good image and is focused. Moving the diffraction grating from 60 degrees to 45 degrees on top of the webcam gave t..." | Read more » over 3 years ago
"Welp, still no luck, although the purple tint does appear to reduce the clipping (presumably just by absorbing some of the incident light) " | Read more » over 3 years ago
"You know what, you're right. I don't see anything reflected from either side through the ethanol-washed piece, but I do through the original purple..." | Read more » over 3 years ago
"Is this the paper holder you mean? I can't see any real gap from the front or back. I tried the spectrometer with the slit reversed as well (I'll t..." | Read more » over 3 years ago
"Yes, this is the fluorescent tube 0.4mm slit diffraction grating and webcam As I said I've focused the webcam without the diffraction grating..." | Read more » over 3 years ago
"Thanks for your reply @stoft. The light source is a fluorescent tube (there aren't any CFLs available here). I also have a green flashlight and my ..." | Read more » over 3 years ago
"I have the v3.0 kit but can't get a focused spectrum no matter how far I turn the focus ring clockwise or counter clockwise. The diffraction gratin..." | Read more » over 3 years ago

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