A.前焦點(diǎn) B.后焦點(diǎn) C.結(jié)點(diǎn) D.主點(diǎn)
A.均為I.336 B.均為1.386 C.核為1.386,表層為1.406 D.核為1.406,表層為1.386
A.1.406 B.1.376 C.1.336 D.1.502