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Optical systems for radio telescope reflectors. (a) Prime focus, (b)... | Download Scientific Diagram
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Schematic of the earthshine telescope optical train. At prime focus... | Download Scientific Diagram
![William Baum inside the prime focus cage of the 200-inch telescope, Palomar Observatory. - Photographs - Huntington Digital Library William Baum inside the prime focus cage of the 200-inch telescope, Palomar Observatory. - Photographs - Huntington Digital Library](https://hdl.huntington.org/digital/api/singleitem/image/p15150coll2/775/default.jpg)
William Baum inside the prime focus cage of the 200-inch telescope, Palomar Observatory. - Photographs - Huntington Digital Library
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The Dark Energy Camera and Prime Focus Cage. The primary mirror (not... | Download Scientific Diagram
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Amazon.com : Astromania 1.25" Extendable Camera Adapter - for Either Prime- Focus Or Eyepiece-Projection Astrophotography with Refractors or Reflector Telescopes - Threaded for Standard 1.25inch Astronomy Filters : Electronics
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