Canon Extender EF 1.4X III EF Mount Teleconverter letting you instantly know that

letting you instantly know that you're capturing what counts

Linear autofocus motor and internal focus design provide quick and precise autofocus performance and enables accurate and silent focusing while recording videos

cage or rig via a shoe adapter

Pre-Capture Function

Includes two 1/4"-20 articulating arm-to-clamp adapters and four 1/4"-20 screw-to-baby pin adapters

Canon Extender EF 1.4X III EF Mount Teleconverter letting you instantly know thatCanon Extender EF 1. 4x III Overview Key Features EF Mount Teleconverter 1. 4x Magnification Factor Microcomputer Controlled Communication Between Lens & Camera Spectra Coating Reduces Ghosting Flare Protective Fluorine Coating Dust and Water Resistant Compatible with Select EF Mount Lenses The Extender EF 1. 4X III from Canon is designed for select Canon EF mount L series telephoto lenses. It increases the focal length of a lens by a factor of 1. 4x