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{"id":1314,"count":1,"description":"Keplerian telescopes are longer and heavier than the simpler Galilean design as they incorporate prisms to reorient what would otherwise be an upside-down and inverted image. They provide better optics with about twice their field of view at least twice as large (about 12 degrees at 4x).\r\n\r\nAll low vision ophthalmic\u00a0 Keplerian telescopes are focusable (with one autofocusing version) and are most frequently prescribed in 3x, 4x, 5x and 6x powers.\r\n\r\nThe Galilean form is available as both fixed-focus and focusable versions and are usually prescribed in 1.7x, 2.2x and 3x powers, and are available as high as 6x. However, their small size and low weight is useful for binocular prescriptions.","link":"https:\/\/peterdarcy.com.au\/tag\/keplerian-telescopes\/","name":"Keplerian telescopes","slug":"keplerian-telescopes","taxonomy":"post_tag","meta":[],"yoast_head":"\nKeplerian telescopes Archives – Peter D'Arcy Optometrist Bega<\/title>\n<meta name=\"description\" content=\"Keplerian telescopes normallly3x,4x, 5x ,6x powers are heavier than the simpler Galilean design with better optics and twice their field of view (12deg@4x)\" \/>\n<meta name=\"robots\" content=\"noindex, follow\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Keplerian telescopes Archives\" \/>\n<meta property=\"og:description\" content=\"Keplerian telescopes normallly3x,4x, 5x ,6x powers are heavier than the simpler Galilean design with better optics and twice their field of view (12deg@4x)\" \/>\n<meta property=\"og:url\" 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