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China 152mm/6"inch Bird/Jones equatorial newtonian reflector telescope China 152mm/6"inch Bird/Jones equatorial newtonian reflector telescope add 152mm/6"inch equatorial Newtonian Bird/Jones reflector telescope to your favorite 152mm/6"inch equatorial Newtonian Bird/Jones reflector telescope sitemap
Home > Telescopes > Professional Instruments > Astrometric > Horizontal Meridian Circle
Item No. : China - Denmark Horizontal Meridian Circle require sample
31.7mm/1.25" PL25mm empty
A precise photoelectric instrument for measuring the position of a celestial body. Its main optical system is a Shmidt telescope with an aperture of 240mm (9.5")and a focal length of 2665mm (f/11). It is different from a traditional meridian circle in that it adopts a rotatable mirror to replace the telescope mount for pointing the instrument, thereby any error caused by tube flexure is avoided.
 
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