John Dollond (1706–1761) was an English optician and inventor renowned for his work in the field of optics, particularly for his advancements in the design and manufacture of telescopes. He is best known for developing the achromatic lens, which significantly reduced the chromatic aberration that plagued telescopes of his time. The achromatic lens combines two or more different types of glass to correct for color distortion, allowing for clearer and more accurate images.
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