PLANO-CONVEX LENS; N-BAK4; D=31.
PLANO-CONVEX LENS; N-BK7; D=25.4
BICONCAVL.; N-BK 7; D=22.4; F=-1
BICONCAVL.; N-BK 7; D=22.4; F=-4
BICONCAVL.; N-BK 7; D=22.4; F=-3
BICONCAVL.; N-BK 7; D=22.4; F=-2