Celestron AstroMaster 70AZ vs National Geographic NT114CF

The National Geographic NT114CF edges out the Celestron AstroMaster 70AZ despite identical pricing and weight. The single most important differentiator is aperture; the NT114CF's 114mm objective versus the AstroMaster's 70mm means significantly more light gathering power and resolution. This translates to superior deep sky performance, where the NT114CF scores 45 to the AstroMaster's 34.

The AstroMaster compensates slightly with its longer focal ratio, delivering better planetary contrast through higher magnification, but this narrow advantage cannot overcome the fundamental light-gathering deficit. The Celestron AstroMaster 70AZ makes sense for observers prioritizing planetary viewing and those wanting the sharpest possible views of bright objects on stable nights. The National Geographic NT114CF suits amateur astronomers wanting to explore nebulae, galaxies, and star clusters with genuine optical capability at the budget price point.

While both telescopes score modestly overall, the NT114CF offers better value for the typical amateur astronomer. Its larger aperture addresses the real limitation of budget telescopes, providing tangible improvements in what you can actually observe. Choose the NT114CF unless planetary observation is your exclusive interest.