
Canon Extender EF 1,4X II
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
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Magnification: 1.4x – increases focal length by 40% (e.g., 200mm becomes 280mm).
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Aperture Loss: 1-stop (e.g., f/2.8 becomes f/4).
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Lens Mount: Canon EF – attaches between the EF lens and EF-mount camera body.
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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.
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Compact & Lightweight: Easy to carry and store in any kit bag.
What’s Included
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Canon Extender EF 1.4X II
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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.
Original: $239.01
-65%$239.01
$83.65More Images




Canon Extender EF 1,4X II
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.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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.






















