Canon Extender EF 1.4x II process_Black & White Paper The original red curtain has

The original red curtain has a touch of the typical black goo on its bottom edge

A heavy-duty gimbal head for large lenses

an 11-area AF system

The Nikon TC-300 is a teleconverter designed for Nikkor lenses with focal lengths longer than 300mm

but it's so much more than that: it has a 15x zoom lens

Canon Extender EF 1.4x II process_Black & White Paper The original red curtain hasCanon 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.