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 D15 F25 Diameter 15mm focal length 25mm plano convex lens D12.7 F-2185 Diameter 12.7mm Focal length 2185mm plano concave lens D12 F48 Diameter 12mm focal length 48mm plano convex lens D12 F24 Diameter 12mm focal length 24mm optical glass lens