3B Scientific Optical Bench U, 1200 mm - Manual (Page 22)

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24.4 Set up 2
•
The following setup can be carried out to obtain
very intense lines. The spectral lines are the same
size as the slit.
•
Place the holder with spectral lamp at position 0.
•
Set lens f = +50 mm up at the 5 cm position.
•
Place the adjustable slit at the 10 cm position.
•
Put the lens f = +100 mm at the 21.5 cm position.
•
Position the direct-vision prism at 26.5 cm.
•
Place the projection screen at the 50 cm position.
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