As the pioneer in varifocal lenses , Tamron lenses continues to be at the forefront of the technological advance of industrial optics. Ahead of other manufacturers, Tamron lenses introduced revolutionary VariFocal lenses meeting the needs of professionals in the field for high optical performance, compactness and versatility, and continues to lead the industry with state-of-the-art optical designs. Tamron lenses now offers a wide range of Mega-Pixel-Compatible VariFocal lenses , Fixed Focal lenses , a full line-up of IR (infrared) lenses for surveillance and a series of high performance FA (Factory Automation) and Machine Vision lenses for advanced image processing