How do you binoculars scientifically work?
Thursday, September 2nd, 2010 at
6:02 pm
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Question by missmex: How do you binoculars scientifically work?
Like why do they need so many internal lenses, etc. You know...Why we don't see upside down in them? Sorry I may just be blabbing. It has to involve light technology in with binoculars. Thanks. Best answer gets 10 points! 
Best answer:
Answer by alpha137036
Binoculars have two 45 degree prisms in each barrel that reflect the light (four reflections) in such a way that the inverted image is upright. The reflection occurs via total internal reflection due to the 45 degree angle of the prism.
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