Comparison
The Celestron CGEM II 1100 is the clear winner for serious amateur astronomers willing to invest in capability. The single most important differentiator is aperture; the CGEM II's 279mm mirror gathers nearly four times more light than the Advanced VX's 150mm, delivering dramatically superior views of faint deep sky objects and planetary detail. This advantage justifies its $1,800 premium for committed observers.
The Celestron Advanced VX 6" Refractor suits impatient beginners and those prioritizing portability, though its modest aperture and low beginner score suggest it frustrates newcomers more than it satisfies. The Celestron CGEM II 1100 belongs with intermediate to advanced observers pursuing serious planetary observation and deep sky exploration who have permanent or semi-permanent observing locations. The CGEM II's superior planetary score of 77 versus 65, combined with its deeper collecting power, makes it the telescope that rewards long-term dedication.
However, its 40 portability score confirms it's a commitment; buyers must accept limited mobility. For those truly serious about astronomy rather than casual stargazing, the CGEM II delivers the light-gathering performance that transforms the hobby. The Advanced VX functions better as a secondary grab-and-go instrument than a primary telescope.
Why choose Celestron Advanced VX
Why choose Celestron CGEM II