Stellarvue’s SV160 APO Triplet is a 6.3-inch f/8 apochromatic refractor. The optical tube assembly comes in the company’s “Stardust White” finish and has a retracting dew shield.

This Black Friday weekend, the Sky-Watcher EvoStar 120 APO Doublet Refractor is 20% off and is a must-buy if you are a seasoned skywatcher or looking for an upgrade on your current instrument.

A basic 4-inch/100 mm refractor, it's got no 'go-to' features so you're going to have to be confident enough to find your own targets in the night sky. Celestron Inspire 100AZ (Blue) at Amazon for ...

I know because I own a 4-inch refractor, and I wouldn’t part with it for love or money. But this size telescope is a bit small for deep-sky objects such as nebulae and galaxies.