Compatible with Canon EF-Mount Cameras, utilizing the included T-Mount Adapter, the Ultimaxx 500mm f/8 Multi-Coated High-Power Preset Telephoto Lens is precision made of lightweight aluminum alloy construction. The multi-coated, anti-reflection, high index / low dispersion optics assures virtually flare free images resulting in crisp, detailed, high contrast images, even under the most adverse lighting conditions. Aperture settings of f/8 to f/32 retain a full range of exposure and depth settings. Designed to maximize day and night shots by providing maximum light & image transmission with minimum distortion. This lens features a rotating tripod mount, front and rear lens caps and a convenient soft carrying case.

Also included in this package is a 2x Teleconverter. This nifty little device is specifically designed to attach to the back of all T-Mount lenses to effectively double your focal length. It contains HD multi-coated glass optics to ensure the best possible image in a variety of situations.