Covering a versatile and popular range of focal lengths, the Lumix S PRO 70-200mm f/4 O.I.S. from Panasonic is an L-mount telephoto zoom featuring an f/4 constant maximum aperture. A sophisticated optical design is employed, which incorporates a series of aspherical, low dispersion, and high refractive index elements, to control a variety of aberrations, color fringing, and distortion for sharp, clear, well-corrected imagery throughout the zoom range. Complementing the optics is a unique double focus system, which utilizes both a linear motor and a stepping motor, to provide especially fast and precise focusing performance. Additionally, an Optical Image Stabiliser reduces the effects of camera shake for sharper handheld shooting and the lens sports a weather-sealed design for use in harsh conditions. This lens looks to be in near mint condition with almost no signs of use. The optics are clean and clear with no marks or scratches. The lens barrel shows almost no cosmetic marks. The focus ring is smooth and in great condition. The lens mount is in great condition showing almost no signs of use. The tripod collar is in near mint condition with almost no signs of use. The lens hood is in near mint condition with almost no signs of use.