Canon EF 24-70mm f/2.8L USM First Edition * Lens Type: Professional Zoom (Standard Zoom) * Focal Length: 24-70mm * Aperture: f/2.8 * Lens Category: L (Canon's Professional Category) * Focus System: USM (Ultrasonic Motor) fast and quiet * Build Quality: Strong and suitable for professional use * Compatibility: Canon EF cameras (Full Frame and Crop) * Uses: Portrait, product, event, and video photography *No Image Stabilization* * The lens is sound and its image quality is excellent. There is a slight bend in the lens frame (shown in pictures) but it does not affect the image quality at all. Price 1500