D18 F30 Diameter 18mm focal length 30mm plano convex lens Sent E-mail INQUIRY DETAILS D18 F30 Diameter 18mm focal length 30mm plano convex lens ←[Previous:D18 F36 Diameter 18mm focal length 36mm plano convex lens] [Next:D15 F-70 Diameter 15mm focal length -70mm plano concave lens]→ RELATED D12.7 F30 Diameter 12.7mm focal length 30mm plano convex lens D12.7 F15 Diameter 12.7mm focal length 15mm plano convex lens D15 F20 Diameter 15mm focal length 20mm plano convex lens D12 F25 Diameter 12mm focal length 25mm plano convex lens