3B Scientific Advanced Optics Kit (115 V, 50__60 Hz) - Manual (Page 3)

SEK Optics/Optical equipment
Work sheet
1
O603 Model microscope
Exercise
x
Investigate how a microscope works.
Equipment
From SEK Optics (U8503000)
1 Optical lamp
1 Optical bench
1 Lens, f = + 100 mm
1 Lens, f = + 50 mm
1 Inclined bench and screen
1 Slide holder
1 Object (slide)
Additionally required
1 Sheet of paper
Set-up and procedure
1) Place the optical lamp at the 0-cm mark on the
optical bench and set up the experiment as in
Fig. 1.
2) Connect the lamp to its power supply.
3) Move the screen till the image of the slide is
well focussed on the screen.
4) Cut off a piece of paper with some scissors that
fits nicely in front of the light aperture.
5) Make sure to completely cover the aperture
with the paper and remove the screen.
6) Place a lens of focal length f = + 100 mm at the
end of the optical bench and look through it at
the image of the slide which was previously on
the screen (see Fig. 2).
0 5 10 20 30 15 25 35
5
f = +50 mm
0 14
Fig. 1
0 5 10 20 30 15 25 35
5
f = +50 mm
0 14
f = +100 mm
Fig. 2