Reflecting or reflector telescopes utilise a single mirror or combination of mirrors to reflect light and form an image. The invention of the reflector telescope stretches back to Isaac Newton in ...
来自MSN3 个月
Unistellar Odyssey review: this smart telescope replaces an eyepiece with a camera sensor ...It's also a Newtonian reflector-type of telescope (rival brands of smart telescopes are all lens-based refractors). With a lower price, can the Odyssey compete for the title of the best smart tele ...
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