D12 F30 Diameter 12mm focal length 30mm plano convex lens Sent E-mail INQUIRY DETAILS D12 F30 Diameter 12mm focal length 30mm plano convex lens ←[Previous:D12 F36 Diameter 12mm focal length 36mm plano convex lens] [Next:D12 F-30 Diameter 12mm focal length 30mm concave lens]→ RELATED D12.7 F63 Diameter 12.7mm focal length 63mm optical glass lens D12.7 F38 Diameter 12.7mm focal length 38mm optical glass lens D25.4 F50.8 Diameter 25.4mm focal length 50.8mm plano convex lens D25.4 F40 Diameter 25.4mm focal length 40mm plano convex lens