merids of reflecting telescope
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Explanation:
DO NOT SUFFER FROM CHROMATIC ABERRATION.
CHEAPER TO MAKE THAN REFLECTORS.
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Cost Advantage✅
- Because reflecting telescopes use mirrors instead of lenses made from optical glass, they are less expensive to produce. Lenses are used for smaller telescopes and particularly for observing a point on the Earth's surface. Reflecting telescopes of comparable size cost significantly less to produce.
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