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What is a Mirror-Lens (Catadioptric)?

April 26, 2017catadioptric

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What is a Mirror-Lens (Catadioptric)?

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Mirror-lens (catadioptric) telescopes use both mirrors and lenses together and represent the most advanced optical designs currently available for both the land viewer and astronomical observer. With their folded optics, mirror-lens telescopes permit large apertures (yielding bright, highly resolved images) to be housed in relatively small, compact, and portable tube assemblies.