Excellent professional macro lens from Canon, model EF 100mm f/2.8 Macro USM (non-L series version), perfect for close-up photography and portraits. Key Specifications: Focal Length: 100mm (prime) Maximum Aperture: f/2.8 (allows for significant light intake and beautiful soft bokeh) Macro Magnification Ratio: 1:1 (true life-size reproduction of small objects on the sensor) Closest Focusing Distance: Approximately 30 cm (comfortable working distance of ~15 cm from the lens tip) Focusing System: Fast and silent Ultrasonic Motor (USM), with full-time manual focus override Construction: 12 elements in 8 groups, 58mm filter diameter Weight: Approximately 600g, compact and relatively lightweight Compatible with Canon EF-mount cameras (Full-Frame and APS-C) Features: Exceptional sharpness even at wide-open f/2.8, ideal for photographing insects, flowers, products, or fine details. Excellent portrait performance due to natural facial compression and beautifully isolated backgrounds. Internal focusing (lens does not extend during focus), and completely silent operation. Product Condition: Like New Used in very excellent condition (like new), with no visible scratches or defects on the glass or body. Carefully inspected, fully functional, and completely clean from internal dust or fungus. A great lens for beginners and professionals in macro photography, offering high value for the price compared to new versions.