Canon Extender EF 1.4x II process_Black & White Paper specs are pretty standard: there's

specs are pretty standard: there's a 20x zoom lens

and compatibility with a huge system of lenses

The Schneider-Kreuznach APO-Symmar Multicoating 150mm f5

an 11-area AF system

Canon Extender EF 1.4x II process_Black & White Paper specs are pretty standard: there'sCanon Extender EF 1. 4x II teleconverter, in excellent cosmetic condition. Increases the effective focal length of the lens mounted to it by forty percent while maintaining complete communication between lens and camera. Since the teleconverter extends into the back of the lens, not all lenses may be mounted. Please confirm compatibility between your intended lens and this teleconverter. Clean glass and excellent function. Includes pouch.