Comparison
It depends on your priorities. Both telescopes score identically overall at 80/100 and cost nearly the same, but they excel in different areas. The single most important differentiator is aperture size. The 150EQ's larger 150mm aperture versus the AstroMaster's 130mm provides significantly more light-gathering ability, translating to better deep-sky observations and astrophotography potential, as reflected in its 3-point and 4-point advantages in those categories respectively.
However, this larger mirror comes with a penalty; the 150EQ weighs 13.47kg compared to the AstroMaster's 7.71kg, making it considerably less portable. The Celestron AstroMaster 130EQ-MD is ideal for observers who prioritize ease of transport and setup, or those with limited storage space. The 150EQ Newtonian Reflector Telescope for Adults Astronomy Beginners suits serious amateur astronomers committed to deep-sky observation and astrophotography who don't mind the weight trade-off.
Choose the AstroMaster if portability matters; choose the 150EQ if you're building a semi-permanent observing station and want genuine performance advantages in your chosen targets. For most amateur astronomers, the extra aperture and slightly better optics justify the weight penalty.
Why choose Celestron AstroMaster 130EQ-MD
Why choose Telescope, 150EQ Newtonian