Sigma 340101 35mm F1.4 DG HSM Lens for Canon (Black)(Certified Refurbished) This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The resulting product includes all relevant accessories, comes with a minimum 90-day warranty, and may arrive in a generic box. Only sellers who meet a high performance bar may offer Certified Refurbished products on Amazon.com Includes all original accessories plus a 1 Year Sigma USA Warranty 35mm focal length, F1.4 maximum aperture; F16 minimum, Ring-type ultrasonic-type AF motor with full-time manual focusing, 67mm filters 52.5mm equivalent focal length on APS-C cameras, 56mm equivalent focal length on Canon APS-C cameras High speed with large aperture, HSM (Hypersonic motor) and inner focusing system, Accessories include: Lens Hood (LH730-03), carrying case