M12-UV-12mm: M12 Quartz Lens Assembly 12mm $1,050.00 each + – Add to cart The add to cart button will appear once you select the values above Contact us for more information M12 12mm Quartz Lens Assembly for XNiteUSB2S-MUV Increases UV sensitivity to 300-380nm. 16mm Front diameter lens element MgF2 Antireflection coated