Canon Extender EF 1.4X II

The Canon Extender EF 1.4X II is a high-quality teleconverter that increases the effective focal length of compatible Canon EF telephoto and super-telephoto lenses by 1.4x, with only one stop of light loss. Designed for professional use, it features optimized optics, weather-resistant construction, and maintains full autofocus and image stabilization with supported lenses and camera bodies.

Key Features

• Magnification: 1.4x – increases focal length by 40% (e.g., 200mm becomes 280mm).

• Aperture Loss: 1-stop (e.g., f/2.8 becomes f/4).

• Lens Mount: Canon EF – attaches between the EF lens and EF-mount camera body.

• Optical Design: 7 elements in 5 groups with high-quality coatings for reduced flare and ghosting.

• Autofocus Compatibility: Maintains autofocus with lenses f/4 or brighter (some bodies support AF at f/8).

• Image Stabilization: Fully supported when used with compatible IS lenses.

• Build Quality: Weather-resistant construction, ideal for outdoor shooting with L-series lenses.

• Compact & Lightweight: Easy to carry and store in any kit bag.

What’s Included

• Canon Extender EF 1.4X II

• Front and rear lens caps
  

Condition

Used – Good condition: The extender is fully functional, with clean optics and smooth mount connections. Minor external wear may be present, but it does not affect performance.