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Barlow lens

noun
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Definition of Barlow lens

: a diverging lens used to increase the magnifying power of a telescope

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History and Etymology for Barlow lens

after Peter Barlow †1862 English mathematician and optician

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“Barlow lens.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Barlow%20lens. Accessed 26 Jan. 2021.

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