Canon EF 2x III Extender (Teleconverter): Enhance your existing camera lens with the improved autofocus performance and increased distance clarity of this 2x III extender.
Including fixed focal length L-series 135mm and over, EF 70–200/2.8L, EF 70–200/2.8L IS, EF 70–200/4L, and EF 100–400/4.5–5.6L. See manuals for full compatibility information.
Double your focal length with a 2x zoom for improved clarity and focus over greater distances. Also reduces aperture by 2 stops.
Functions seamlessly across camera body, lens and extender enabling swift lens response times and sharp picture quality, even when photographing moving subjects.
Fluorine coating repels finger prints and light dust and makes the lens easier to clean.
Comes with lens cap, rear lens dust cap and case.
Will not autofocus unless existing lens has aperture of f/8 or greater.