Size... Pentax K Mount This is a high-cost-performance telephoto zoom lens that covers a wide focal length, excelling in a variety of applications from distant subjects to macro photography. It's suitable for diverse shooting scenarios such as travel, sports, nature observation, and portraits. This model is equipped with a "macro switch" for easy macro photography, making it a recommended choice for both beginners and advanced users. Product Details Focal Length: 70-300mm Aperture: F4-5.6 Magnification Ratio: Maximum 1:2 (in macro mode) Mount: Pentax Mount Compatible Sensors: APS-C and Full-Frame Recommended Points One lens for telephoto to macro Equipped with a macro function convenient for long-distance and close-up photography, expanding your shooting possibilities. Excellent cost performance A SIGMA lens known for its quality and descriptive power at an affordable price. Active in various scenes Widely applicable for bird watching, sports photography, landscape photography, and even macro photography of flowers and small objects. Accessories Lens body Front cap Rear cap Protective filter Condition Operation has been confirmed, and the zoom and focus rings operate smoothly. There is no mold or clouding in the lens. The exterior is in excellent condition with no stickiness, but please understand that this is based on a subjective assessment. Notes Please purchase after understanding the product condition. Feel free to ask any questions if you have any concerns. The SIGMA 70-300mm F4-5.6 DG MACRO is the perfect lens for those seeking multiple functions while keeping costs down. Please take this opportunity to pick it up and expand the fun of photography!