Web121K subscribers in the telescopes community. The home to all amateur astronomers & telescopes! Feel free to discuss anything astronomical here, from… WebApr 4, 2024 · This 12″ telescope, which uses a large mirror to collect starlight, has a focal length of about 60″. So the overall length of the scope is quite long and can be unwieldy for some. Some modern scope designs use a clever optical layout to squeeze a long focal length into a small optical tube.
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WebApr 13, 2024 · In a breakthrough discovery, the Subaru Telescope’s powerful extreme adaptive optics system has imaged a massive benchmark gas giant planet around the nearby, bright star HIP 99770. The object, HIP 99770 b, is the first extrasolar planet jointly discovered by direct imaging and the new method of indirect detection, precision … WebMay 25, 2024 · The Schmidt–Cassegrain telescope assembly, with mesh applied to the model. Note that the optical prescription has been reformatted to allow these parts to be defined in a somewhat arbitrary sequence; that is, the order in which optical elements are placed in the geometry sequence does not affect the ray trace. bishop ryle on the lord\u0027s supper
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WebA telescope that uses a mirror as its primary optical element is called a reflecting telescope. Large mirrors can be made thinner and lighter than lenses of the same size, which makes … WebTelescopes Astronomy Sport Optics Microscopes Apparel About Us Support Tools for Beginners Astronomy Go out into the night and learn the starry names and patterns overhead. Shop by category Telescopes Optical Tubes Mounts & Tripods Astronomy Binoculars Solar Observing Astroimaging Cameras Dew Prevention Accessories … WebMar 17, 2024 · Optics Telescope Optical Configuration: Ritchey-Chretien Cassegrain. Telescope Prescriptions: GN Zemax model GS Zemax model (GN=MK/Mauna Kea and GS=CP/Cerro Pachon). Primary Mirrors: Each mirror is an f/1.8, 8.1 m diameter, 20 cm thick meniscus, and weighs 22,200 kg. bishops10