Seg - op 6.4 dutch telescope, Exercise, What do we need – 3B Scientific SEK Optics User Manual
Page 73: Conducting the experiment, 1 seg - op 6.4 dutch telescope

Exercise
Examine the operating principle of a Dutch telescope!
What do we need?
1
Base plate
1
Dispersing lens “
−100”
1
Focusing lens “+300”
1
Mask
Conducting the experiment
1.
Attach the mask to the base plate!
2.
Place the “
−100” lens and the ”+300” lens onto the optical axis as marked on the base plate! The
distance between the lenses must be approx. 16 cm!
3.
Direct the base plate with both lenses onto a distant object (window, tree etc.)!
4.
Move both lenses until you get a focussed image!
5.
Describe your observations! Name the features of the image!
6.
Name fields of application for a Dutch telescope!
ELWE
Physical experiments for education in natural science and engineering
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1 SEG - OP 6.4
Dutch Telescope
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