Canon

Canon 5176B002 EF 200-400mm Lens Extender 1.4X Renewed

f/4f/5.6f/32

Achieve Exceptional Reach and Image Quality The Canon EF 200-400mm f/4L IS USM Extender 1.4X Lens offers unparalleled versatility and performance for wildlife, sports, and nature photography. With a built-in 1.4x extender and advanced optical design, this lens delivers exceptional reach and imag...

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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Achieve Exceptional Reach and Image Quality

The Canon EF 200-400mm f/4L IS USM Extender 1.4X Lens offers unparalleled versatility and performance for wildlife, sports, and nature photography. With a built-in 1.4x extender and advanced optical design, this lens delivers exceptional reach and image quality in a robust and reliable package.

Specifications:

  • Mount: EF-Mount
  • Format: Full-Frame
  • Aperture Range: f/4 to f/32
  • Extender: Built-In 1.4x Extender
  • Optical Elements: One Fluorite and Four UD Elements
  • Coating: Super Spectra Coating
  • AF System: Ring-Type Ultrasonic Motor
  • Image Stabilization: Optical Image Stabilizer

Key Features

Items Include: 1 x Canon EF 200-400mm f/4L IS USM Extender 1.4x Lens, 1 x Lens Cap Keeper, 1 x Cleaning Kit

A long-reaching zoom characterized by its versatility, the EF 200-400mm f/4L IS USM Extender 1.4x from Canon is a medium to super-telephoto distinguished by its unique optical design and fast performance. Featuring a built-in 1.4x extender, you can quickly and intuitively switch between the native 200-400mm f/4 setting and an effective 280-560mm f/5.6 for greater reach. Benefitting this unique design is a sophisticated optical layout.

Beyond the optical attributes, this 200-400mm f/4 is also characterized by its advanced four stop-effective Image Stabilizer system, which has three separate stabilization modes to suit various shooting applications. Also complementing handling is a sophisticated ring-type USM, which provides quick, quiet, and accurate autofocus performance along with full-time manual focus override.

Key Features: EF-Mount Lens/Full-Frame Format - Aperture Range: f/4 to f/32 - Built-In 1.4x Extender - One Fluorite and Four UD Elements - Super Spectra Coating - Ring-Type Ultrasonic Motor AF System - Optical Image Stabilizer - Power Focus, Focus Limiter, Focus Preset - Weather-Sealed Design, Fluorine Coating - Detachable, Rotatable Tripod Collar

Compatibility: Blackmagic Design Pocket Cinema Camera 6K, Blackmagic Design Pocket Cinema Camera 6K Pro, 1D X, 1D X Mark II, 1D X Mark III, 5D Mark II, 5D Mark III, 5D Mark IV, 5D Mark IV Canon Log, 5DS, 5DS R, 6D, 6D Mark II, 70D, 77D, 7D, 7D Mark II, 80D, 90D, C100 EF-Mount, C100 Mark II EF-Mount, C200 EF-Mount, C300 EF-Mount, C300 Mark II EF-Mount, C300 Mark III EF-Mount, C500 EF-Mount, C700 EF-Mount, SL1, SL2, SL3, T5, T5i, T6, T6i, T6s, T7, T7i, T8i

Specifications

Mount Type
EF-Mount
Format Compatibility
Full-Frame
Native Focal Length Range
200-400mm
Aperture Range (Native)
f/4 to f/32
Built-In Extender
1.4x
Extended Focal Length Range
280-560mm (with 1.4x extender)
Extended Aperture Range
f/5.6 (with 1.4x extender)
Optical Elements
One Fluorite, Four UD Elements
Coatings
Super Spectra Coating, Fluorine Coating
Autofocus Motor
Ring-Type Ultrasonic Motor (USM)
Image Stabilization
4-stop effective Optical Image Stabilizer (3 modes)
Weather Sealing
Yes
Included Accessories
Lens Cap Keeper, Cleaning Kit

Pros & Cons

👍 Pros

  • Features a unique built-in 1.4x extender, allowing quick switching between native 200-400mm and effective 280-560mm focal lengths.
  • Incorporates an advanced four-stop effective Image Stabilizer system with three modes, reducing camera shake significantly.
  • Equipped with a ring-type USM for quick, quiet, and accurate autofocus performance, alongside full-time manual focus override.
  • Constructed with a weather-sealed design and fluorine coating, offering durability and protection against environmental elements.
  • Includes one Fluorite and four UD elements with Super Spectra Coating, which contributes to high optical quality and reduced aberrations.

👎 Cons

  • The built-in extender, while convenient, means the lens is always heavier than a prime 200-400mm lens would be.
  • The f/5.6 maximum aperture when the 1.4x extender is engaged may be limiting in low-light conditions compared to the native f/4.
  • This is a renewed product, which means it may not come with the full manufacturer's warranty or may show minor cosmetic imperfections.
  • The extensive zoom range and built-in extender likely contribute to a substantial size and weight, making it less portable.
  • Compatibility is extensive but exclusively for Canon EF-mount cameras, limiting use with other camera systems.

Frequently Asked Questions

This lens features a unique built-in 1.4x extender, allowing you to quickly switch between its native 200-400mm f/4 setting and an effective 280-560mm f/5.6 for increased reach.
The lens is equipped with an advanced four-stop effective Optical Image Stabilizer system, which includes three separate stabilization modes to suit various shooting applications.
It features a sophisticated ring-type USM (Ultrasonic Motor) that provides quick, quiet, and accurate autofocus performance, along with full-time manual focus override.
Yes, the lens boasts a weather-sealed design and a fluorine coating, providing protection against dust and moisture in various shooting environments.
The optical design includes one Fluorite element and four UD (Ultra-low Dispersion) elements, coupled with Super Spectra Coating, to ensure high image quality and reduce aberrations.