Celestron AstroMaster 130EQ-MD vs Explore Scientific AR 80/900

The Celestron AstroMaster 130EQ-MD is the clear winner for most amateur astronomers. It outperforms the Explore Scientific AR 80/900 across nearly every metric, posting a substantially higher overall score of 80 versus 55. The most important differentiator is aperture; the AstroMaster's 130mm opening gathers nearly 2.6 times more light than the AR 80/900's 80mm, translating to brighter views of galaxies, nebulae, and faint stars. The AstroMaster dominates in deep sky observing (54 versus 27) where light collection matters most, while also excelling at planetary work and astrophotography.

The AR 80/900's longer focal length provides higher magnification on paper, but this advantage evaporates when the smaller aperture severely limits what you can actually see. The AstroMaster weighs less despite being a more capable instrument, making it genuinely more portable for its capabilities. The AR 80/900 offers no compelling advantage except being marginally lighter, which hardly compensates for its inferior performance. Buy the Celestron AstroMaster 130EQ-MD if you want genuine observing capability across all targets and all experience levels.

Buy the Explore Scientific AR 80/900 only if you have extremely restricted portability needs and don't mind severely limited performance. The AstroMaster delivers far better value at nearly identical pricing.