Tamron USA Inc.
IR Corrected Megapixel Lens Series
• Tamron's IR-corrected Megapixel lens series features a focal length range of 2.8 to 50mm in just two lenses.
• Monitor extreme wide- and tele-scenes in Megapixel resolution, during the day and night, without making compromises in resolution.
• A new optical design uses glass mold aspherical lens elements and a special optical coating that ensures 3MP resolution, even under IR light.
• The Tamron Double Vari-Focal Solution includes the 1/3 2.8-8mm F/1.2 aspherical megapixel very-focal and the 1/3 8-50mm F/1.6 aspherical megapixel/IR compatible varifocal.
http://www.tamron.com/en/photolens/