D12 F12 Diameter 12mm focal length 12mm optical glass lens with coated Sent E-mail INQUIRY DETAILS D12 F12 Diameter 12mm focal length 12mm optical glass lens with coated ←[Previous:D12 F15 Diameter 12mm focal length 15mm optical glass lens] [Next:D12.7 F40 Diameter 12.7mm focal length 40mm plano convex lens]→ RELATED D12.7 F40 Diameter 12.7mm focal length 40mm plano convex lens 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