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 F48 Diameter 12.7mm focal length 48mm optical glass lens D12.7 F-2185 Diameter 12.7mm Focal length 2185mm plano concave lens D12.7 F63 Diameter 12.7mm focal length 63mm optical glass lens D12.7 F25 Diameter 12.7mm focal length 25mm plano convex lens