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 Post subject: Wonky spectrum on a diffraction grating spectroscope
PostPosted: Wed Oct 14, 2020 7:00 pm 
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Hi everyone
Can anyone please advise me if it is at all possible to fix a wonky spectrum on a diffraction grating spectroscope?
I recently bought a secondhand R & J Beck hand held focussing diffraction grating spectroscope. When i looked through the end the spectrum is very clear however, the spectrum is slanted, almost rhombus shape rather than rectangular.
Does anyone know why this has happenned? Or if i can fix it at all? If so, what do i have to do?

Any help is greatly appreciated.
Thanks again
Victoria


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