Refractor telescopes use a series of glass lenses to collect and focus the light. They are excellent for viewing the moon or larger (or closer) planets.

Right now, the Celestron Inspire 100AZ Refractor Telescope is $359.95 at Adorama, saving $109 (or 23%). It's currently only available on back order, but if you order now, you can lock in the saving.

When I acquired a 5-inch Takahashi refractor, I first piggybacked it on the 12.5-incher. But after moving to a darker location in 1998, I put up a second observatory near my home, this one with a ...