Product Description

The CANON EXTENDER EF 1.4X III is a high-performance teleconverter designed for select Canon EF telephoto and super-telephoto lenses. It increases the focal length by 1.4x while maintaining excellent optical performance with minimal loss in image quality. This extender features enhanced coatings to reduce ghosting and flare, and it’s built with durability in mind, including a dust- and water-resistant construction. The redesigned optics support high-speed autofocus with compatible lenses, making it a go-to tool for professional sports, action, and wildlife photography.

Specifications

• Model Number: 4410B002AA

• Magnification: 1.4x

• Lens Construction: 7 elements in 3 groups

• Coating: Fluorine coating on front and rear lens surfaces

• Autofocus: Maintains AF with f/8 or faster lenses (on compatible cameras)

• Compatibility: Select Canon L-series telephoto and super-telephoto lenses

• Dust and Water Resistance: Yes

• Dimensions: Approx. 2.8 x 0.9 in. / 72.0 x 27.2mm

• Weight: Approx. 225g