Behind-stop type lens system for photographic cameras

摘要

A lens system for photographic cameras which has a very short total length and wherein aberrations are favorably corrected. Said lens system comprises a first positive meniscus lens component, a second biconcave lens component and a third cemented doublet component, and said lens system satisfying the conditions enumerated hereunder:P P (1) 0.23f &Sgr;d 0.3fPP(2) 0.55f f. sub.1 0.59fP P(3) -0.37f f.sub.2 -0.32f P P(4) n.sub.1 1.71PP (5) n.sub.2 1. 67 PP(6) |r.sub.7 | 4.8fP P(7) 0.26f -r.sub.6 0.34fPP(8) |r. sub.3 |/r.sub.4 6.0PP(9) &ngr;.sub.1 -&ngr;. sub.2 14