Assertion: eyepiece's inch | /r/HasProperty | gso dob
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Source sentences:
text: I have been using the 30mm GSO Superview as my primary low power finder, wide field viewing eyepiece for about 15 nights, a few under dark skies with my 16 and 22 inch scopes but most in the backyard with various scopes including several with my 10 inch GSO Dob, it's the 2002 version of the Skyline Dob you are getting.