Recent content by ednyfed

So I've got 2 Newtonian Refractors (Celestron AstroMaster 114 & 130). The 114 has a shorter physical tube with a Focal Length of 1000mm and the 130 has a significantly longer tube but a Focal Length of 650mm. If Focal Length is measuring the physical distance light travels in the tube, I'm not...

Wright Brother's canvas swatch on the Ingenuity Helecopter