The Canon 100-400mm L IS II zoom lens is perhaps the best lens I ever put on the front end of a Canon camera. Let's look at how it performs for Astrophotography.
The Canon 80D is an advanced consumer model DSLR camera, great for everything from landscapes to portraits and especially astrophotography!
The Canon 450D is a consumer model DSLR camera, which offers great value for astrophotography without breaking the bank!