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

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

The Schneider-Kreuznach APO-Symmar Multicoating 150mm f5

The Fujinon Super EBC XF 23mm f2 R WR is a sharp

up to 120fps slow-motion video in 1080p- and up to 960fps in a pretty-darn-decent 1244x420 resolution

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.