This high-magnification zoom lens is the smallest and lightest in its class, offering ideal cost-performance. A lightweight glass material was used for the first element group ? the heaviest group in the optical system ? to reduce operational load during autofocus operation. Combined with the micro USM, the autofocus is quick and quiet. The slim exterior and smooth zooming makes this lens a delight to use.

Improved mechanism makes zooming smoother; front part of zoom ring sports silver ring. Measures 2.8 inches in diameter and 4.8 inches long; weighs 16.8 ounces. 4.9-foot closest focusing distance; 32- to 8-degree diagonal angle of view. EF Mount; Aperture Range: f/4-45; DC Autofocus Motor; 4.9' Minimum Focus Distance; 58mm Filter Thread Diameter.

Lens Fixed Focal Length: 300 Millimeters. Focus Type: Auto Focus. Lens Design: Zoom. Minimum Focal Length: 75 Millimeters. Maximum Focal Length: 300 Millimeters. Camera Lens Description: 300 month. Compatible Mountings: Canon EF. Lens Type: Telephoto. Focal Length Description: 300. Brand: Canon. Country of Origin: Malaysia. Manufacturer: Canon. Date First Available: November 7, 2016. Is Discontinued By Manufacturer: No. Best Sellers Rank: #351 in Renewed. Customer Reviews: 4.7 out of 5 stars 437 ratings 4.7 out of 5 stars. Batteries: 1 Lithium Ion batteries required. Item model number: 6473A003AA. : B06XP4Z2M7. Item Weight: 1.1 pounds. Product Dimensions: 8.9 x 5.35 x 5.4 inches.