Canon 242R241 Extender EF 2x III, White/Black

• Extends the focal length of your lens by 2x.This lens is only compatible with fixed focal length L-series lenses 135mm and over, as well as the EF 70-200/2.8L, EF 70-200/2.8L IS, EF 70-200/4L, and EF 100-400/4.5-5.6L
• Outstanding image quality thanks to new optical design and improved AF performance
• Highly resistant to dust and water for use in harsh conditions
• Built in micro computer enables effective communication between lens and camera
• Lens coatings are optimised to minimise ghosting and flare

Increase your lens' focal length by 2x without sacrificing image quality Ideal for press, sports and nature photography, this compact and affordable extender increases the focal length of Canon L-series telephoto or telephoto zoom lens’ by a factor of 2x, with higher AF accuracy and improved communication between camera and lens. The EOS EF lens range consists of over 60 lenses.