User guide

SEK Optics U8503000

Elwe Didactic GmbH • Steinfelsstr. 6 • 08248 Klingenthal • Germany • www.elwedidactic.com

3B Scientific GmbH • Rudorffweg 8 • 21031 Hamburg • Germany • www.3bscientific.com

Subject to technical amendments

Contents

1 2 Lenses, f = + 50 mm

2 1 Lens, f = + 100 mm

3 1 Lens, f = + 300 mm

4 1 Lens, f = -100 mm

5 1 Slide holder

6 4 Tea candles

7 1 Object for casting shadows

8 1 F-shaped slide

9 1 Colour filter, red

10 1 Colour filter, blue

11 1 Object for use as an image

12 1 Slide with multiple slits

13 1 Slide with single slit

14 1 Plastic container

15 1 Flexible mirror

16 1 Holder

17 1 Plug-in power supply

18 1 Optical lamp

19 1 Rectangular block

20 1 Semi-circular body

21 1 Converging lens

22 1 Diverging lens

23 1 Prism

24 1 Optical bench

25 1 Projection screen/inclined bench

26 1 Acrylic block

27 Set of overlays

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SEK Optics U8503000 Contents 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 2 Lenses, f = + 50 mm 1 Lens, f = + 100 mm 1 Lens, f = + 300 mm 1 Lens, f = -100 mm 1 Slide holder 4 Tea candles 1 Object for casting shadows 1 F-shaped slide 1 Colour filter, red 1 Colour filter, blue 1 Object for use as an image 1 Slide with multiple slits 1 Slide with single slit 1 Plastic container 1 Flexible mirror 16 17 18 19 20 21 22 23 24 25 26 27 1 Holder 1 Plug-in power supply 1 Optical lamp 1 Rectangular block 1 Semi-circular
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SEK Optics/Optical lenses Work sheet O401 Path of light through a converging lens (convex lens) Exercise x Investigate the passage of light through a converging lens. Equipment 1) Place overlay O401/1 on the inclined bench. From SEK Optics (U8503000) 2) Connect the optical lamp to its power supply. 1 Optical lamp 1 Converging lens 1 Inclined bench and screen Overlays O401/1, O401/2 and O401/3 3) Place the converging lens over the appropriate marks on the overlay (see Fig. 1).
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SEK Optics/Optical equipment Work sheet O603 Model microscope Exercise x Investigate how a microscope works. Equipment Set-up and procedure From SEK Optics (U8503000) 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.