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which provide an over 99% reflective surface
Like long eye-relief
*The Delta T 35℃ is tested at 30℃ ambient temperature
and give designers the opportunity to compensate for eyepiece aberrations
Please note that this product will not work with CPC 800 GPS or CPC Deluxe 800 HD telescopes without completely removing the finder scope bracket
Observer's Sky Atlas by Erich Karkoschka (Hardcover) 56° which provide an over 99%Observer's Sky Atlas: The 500 Best Deep Sky Objects With Charts and Images by Erich Karkoschka. This tremendous new edition of a classic book (previously published only in black and white) contains star charts and pictures, for all those who observe the night sky with unaided eyes, binoculars or telescopes. It is equally useful for beginners and experienced old hands at astronomy. A legend among hobby astronomers, this entirely revised and updated
US$ 424.50
US$ 399.50
US$ 15.00
US$ 16.32
US$ 249.50
