Reflectors usually use a concave, parabolic primary mirror to collect and focus incoming light onto a flat secondary mirror that in turn reflects the image out of an opening at the side of the main tube, into an eyepiece for viewing.
The easiest way to identify a reflector is by looking at the location of its eyepiece holder. It’s always near the top of the telescope itself. 
Let’s look at the advantages and disadvantages now. 
Reflector
Advantages
Disadvantages
Tomorrow, I will write about my favourite, the catadioptrics as well as the conclusions of these episodes! 
