ATN Set 3x Lenses For PS31 Black. This accessory pack includes three high-quality 3x magnification lenses crafted to provide crystal-clear visuals and precision magnification in various operational environments. Specifications for ATN Set 3x Lenses For PS31: Manufacturer: ATN Color: Black Magnification: 3 x Package Contents: ATN Set 3x Lenses For PS31 ATN ACGOPS31LS3P: Set 3x Lenses For PS31 Black