Are you ready to redefine your photography experience Introducing the Canon 200-400mm f/4 Super Telephoto Zoom Lens, a powerhouse of optical engineering designed to command every moment you capture. This lens isn't just about seizing moments it's about creating them with precision and performance. Designed primarily for full-frame Canon Ef-mount DSLRs, this lens also integrates seamlessly with Aps-c models, offering an impressive 320-640mm equivalent focal length. The built-in 1.4x extender effortlessly extends your reach to 280-560mm, ensuring you're always at the heart of the action, no matter your shooting location. Experience consistent illumination with the constant f/4 maximum aperture, ensuring brilliance throughout the zoom range. Even when engaging the 1.4x teleconverter, you're guaranteed an effective maximum aperture of f/5.6, keeping your shots well-lit and vibrant.