This Geek Squad Certified Open Box product:

• Has been thoroughly tested and certified by a Geek Squad agent
• Is in mint condition and verified to be cosmetically flawless
• Includes a full warranty and all its original accessories
• Qualifies for Best Buy's no-hassle return policy

Product Information:

• Compatible with optional Canon extenders RF1.4x and RF2x (sold separately)
• 9-blade circular aperture for rounded, smooth, and sharp bokeh
• Versatile zoom range of 100-400mm brings distant subjects closer to you for vibrant and colorful, detailed pictures
• Optical Image Stabilizer delivers up to 5.5 stops of shake correction for blur-free images
• Nano USM for high-speed, smooth focus
• Minimum focusing distance of 2.89 feet at 200 mm and a maximum magnification of 0.41x at 400mm let you get closer to your subject for great close-ups and portraits
• Up to 6 stops of shake correction when combined with EOS R series cameras that feature In-Body Image Stabilizer (IBIS) for more professional-looking photos (sold separately)
• Control Ring adjusts your camera's settings without you taking your eyes off the subject for more photographic opportunities
• Compact and lightweight design lets you carry this lens anywhere you go