CANON Extender RF 1.4x

Canon Extender RF1.4x

Product Specifications
•    Product Type: RF Teleconverter / Extender 
•    Model: Canon Extender RF1.4x 
•    Lens Mount: Canon RF Mount 
•    Magnification: 1.4× 
•    Increases the focal length of a compatible RF lens by 1.4×. 

Optical Design
•    Lens Construction: 7 elements in 4 groups 
•    Uses high-refraction, low-dispersion glass to help minimize chromatic aberration 
•    Optimized lens coatings help reduce ghosting. 

Focal Length & Aperture Effect
•    Focal Length: Increased by 1.4× 
•    Maximum Aperture: Reduced by 1 stop 

Examples:
•    400mm → 560mm 
•    600mm → 840mm 
•    800mm → 1120mm 
•    1200mm → 1680mm 

Autofocus & Image Stabilization
•    Autofocus: Supported with compatible lens/camera combinations 
•    Image Stabilization: Supported with compatible IS lenses and EOS R-series cameras 
•    AF coverage and performance can vary depending on the attached lens and camera body. 

Construction
•    Dust- and Water-Resistant Construction: Provided 
•    Heat-Shield Exterior Coating: Provided 
•    Designed for outdoor shooting applications including wildlife and sports photography. 

Dimensions & Weight
•    Maximum Diameter: Approx. 71.2mm 
•    Length: Approx. 20.3mm 
•    Weight: Approx. 225g 

Current Canon-Listed Compatible RF Lenses
Canon's current U.S. product page lists these compatible lenses:
•    RF70-200mm F2.8 L IS USM Z 
•    RF100-300mm F2.8 L IS USM 
•    RF100-400mm F5.6-8 IS USM 
•    RF100-500mm F4.5-7.1 L IS USM 
•    RF200-800mm F6.3-9 IS USM 
•    RF400mm F2.8 L IS USM 
•    RF600mm F4 L IS USM 
•    RF600mm F11 IS STM 
•    RF800mm F5.6 L IS USM 
•    RF800mm F11 IS STM 
•    RF1200mm F8 L IS USM