D12 F15 Diameter 12mm focal length 15mm optical glass lens Sent E-mail INQUIRY DETAILS D12 F15 Diameter 12mm focal length 15mm optical glass lens ←[Previous:D12 F20 Diameter 12mm focal length 20mm optical glass lens] [Next:D12 F12 Diameter 12mm focal length 12mm optical glass lens with coated]→ RELATED D12.7 F40 Diameter 12.7mm focal length 40mm plano convex lens D12.7 F15 Diameter 12.7mm focal length 15mm plano convex lens D12 F25 Diameter 12mm focal length 25mm plano convex lens D12.7 F48 Diameter 12.7mm focal length 48mm optical glass lens