3B Scientific SEK Optics - Manual (Page 67)

Exercise
Examine the operating principle of a photo camera!
What do we need?
1 Base plate
1 Focusing lens “+50”
1 Tea light
1 Screen
1 Mask
additionally required:
1 Compasses
1 Ruler
1 Sheet of paper
Conducting the experiment
1. Conducting the experiment!
2. Place the screen on the right side outside the base plate!
3. Place the focusing lens in the middle of the base plate! Place the tea light on the left of the base
plate and carefully light it!
4. Move the object lens (focusing lens), so that a focussed image of the flame can be seen on the
screen!
5. Measure the image size, the object size, the image distance and the object distance! Record the
features of the image!
6. Name the parts that must be part of a camera to make it work!
7. Name the parts that are only part of some cameras! What is the function of these parts?
ELWE Physical experiments for education in natural science and engineering
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1 SEG - OP 6.1 Photo Camera