Talk:Prism spectrometer

"Theory" section needs a final line.
Something along the lines of ... The still parallel but now diverging rays of light are then focussed by a final lens to form either a virtual or a real image. If it is a real image, the instrument is then usually referred to as a spectrograph.
 * I added something along those lines. Thanks for the suggestion.--Srleffler (talk) 15:15, 30 August 2020 (UTC)