KnowraSchmidt–Cassegrain telescopeLinked fromLinked fromThe 4 pages that link to Schmidt–Cassegrain telescope, each with the reason it gives.All 4Broader topic 1Compared with 3Reflecting telescopeBroader topic: It adds a refractive corrector to a folded reflective design.Newtonian telescopeCompared with: Its enclosed folded optics make a shorter tube than a Newtonian of similar focal length.Dobsonian telescopeCompared with: Its compact tube is easier to transport than a comparably capable large Dobsonian, but typically costs more.Ritchey–Chrétien telescopeCompared with: Its corrector plate and mirror geometry provide a different route to compact imaging.