Assertion: newtonian telescope's design | /r/CapableOf | give wider field of view
Facets:
value: than a classic cassegrain
type: OTHER
Source sentences:
text: The Ritchey-Chretien variant of Cassegrain reflector was invented around 1910, but not widely adopted until after 1950; many modern telescopes including the Hubble Space Telescope use this design, which gives a wider field of view than a classic Cassegrain.