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5° Linear Field of View (@1000 yds) / @1000 m): 185 ft (62 m) Exit Pupil: 2mm (
double stars
37 arc seconds Secondary Mirror Obstruction 1
readers will be prepared to create their own nocturnal masterpieces
75mm) Focal Length: 18mm (
Like New ZWO 31mm Unmounted LRGB Filters 68° FOV 5° Linear Field of ViewThis is a like new set of 31mm unmounted ZWO LRGB filters in excellent condition, completely clean, and unopened. Comes in its original jewel case and no box. Key Features Premium 31mm unmounted round LRGB filter set for use with monochrome astronomy cameras Precision passbands partially block light pollution from sodium lamps while passing OIII emission from nebulae for a more natural image color IR blocking from 700nm to 1100nm to eliminate need for
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