Girazi lenzi Seti ye6, Dia. 50mm

Iyo seti ine matanhatu eakakosha lenzi mhando., Inosanganisira imwe yeiyi inotevera: plano -concave, convex-concave, kaviri concave, concave-convex, plano-convex, uye mbiri convex. ? Iyo lens dhayamita ndeye 50-mm approx.