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add up to 10 additional calibration stars to achieve a new level of accuracy
25-inch NexStar Evolution is an excellent
Williams Optics 7 X 50 finders
7 Lowest Useful Magnification 40 x Magnification of Eyepiece 1 70 x Mount Height (Max) 64" in (1626 mm) Mount Height (Min) 44" in (1118 mm) Mount Info: N
16") Back focus from top of threaded collar 72
Reducer/Corrector f/6.3 ED add up to 10 additionalThis combination focal reducer and field corrector lens accessory works with all Celestron 5", 6", 8", 9 1 4", 11" and 14" Schmidt Cassegrain telescopes This clever accessory makes it possible to have a dual focal ratio instrument, without sacrificing image quality The Reducer Corrector is f 6. 3 for C5, C6, C8, C9 and C11 telescopes and f 7 for the C14 telescope Reducer Corrector f 6. 3 This combination focal reducer and field corrector lens
