Task id13234
Seller: nerdmavr
Price: 0.12 USD
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Product description
How many times will the illumination of the image of the Moon on the retina change when moving from observation with the naked eye to observation with a telescope (Kepler tube)? The telescope lens has a diameter of 100 mm; The magnification of the tube is 50. The diameter of the pupil of the eye is considered to be 3 mm.
Additional information
Answer. Format gif