Seller Notes: The Sport lenses is Sigma's fastest and most weather-resistant lenses. Excellent Condition - has a few signs of wear including scrapes and some residue from a previous lens wrap/camo. Photos are included to show said wear. Mechanics, focus, aperture blades all work as they should. No haze, mold, or fog on any of the elements - superb optical shape. Contains the clear rear drop-in filter as well as the holder. Lens mount is clean and has minimal scratching from mounting. Also includes Original Sigma box and soft case. Lens Description: - Top-level optical performance and functionality - Magnesium alloy barrel - HSM (Hyper Sonic Motor) delivers high AF speed - Optical Stabilizer (OS) system - Enhanced dust and splash resistant structure - Water- and oil-repellent front coating - Exclusive low-dispersion glass - Tripod socket with 90° click stops - AF function switch with preset AF modes in conjunction with the custom buttons - Focus limiter, OS mode switch, focus mode switch - Carbon fiber lens hood FIXED TRIPOD SOCKET - This lens features a large and extremely stable tripod collar with 90 degree click stops, making it easy to switch between vertical and horizontal shooting positions DUST AND SPLASH-PROOF CONSTRUCTION - Weather sealing throughout the lens body keeps rain, splashes, and dust from entering the lens, ensuring years of trouble-free performance WEATHER AND OIL REPELLANT COATING - Allows water to be wiped away easily and prevents oils from sticking to the surface, even in challenging shooting conditions HYPERSONIC MOTOR - The HSM (Hyper Sonic Motor) delivers high autofocus speed and extremely smooth, quiet performance ROUNDED DIAPHRAGM - The rounded diaphragm creates an attractive blur in the out-of-focus areas of the image RUGGED BRASS BAYONET MOUNT - The brass mount combines high precision with rugged construction. Its treated surfaces and enhanced strength contribute to the exceptional durability of the lens