Canon

Canon 4410B002 EF 2X III Extender Telephoto Lens Bundle (Renewed)

f/2.f/4.5

Extend Your Reach with the Canon Extender EF 2X III The Canon Extender EF 2X III is designed to increase the focal length of select Canon EF mount L-series telephoto lenses by a factor of 2x. This renewed extender ensures superb image quality, improved data communication, and enhanced environment...

$634.95*
In Stock on Amazon.com
View on Amazon

*Price sourced from Amazon.com. Last updated:Jul 13, 2026.Price and availability are subject to change.

Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

Extend Your Reach with the Canon Extender EF 2X III

The Canon Extender EF 2X III is designed to increase the focal length of select Canon EF mount L-series telephoto lenses by a factor of 2x. This renewed extender ensures superb image quality, improved data communication, and enhanced environmental protection, making it perfect for capturing distant subjects.

Specifications:

  • Brand: Canon
  • Model: 4410B002
  • Magnification: 2x
  • Lens Mount: Canon EF
  • Compatibility: Select Canon EF L-series telephoto lenses
  • Includes: Front and rear caps, lens case
  • Bundle Includes: Pro Sling Backpack, 64GB Ultra SDXC Memory Card, Memory Card Reader, 12-inch Flexible Tripod, Memory Card Wallet, Lens Cap Keeper, Cleaning Kit, Hand Strap
  • Condition: Renewed

Key Features

Bundle Items Includes: 1 x Canon Extender EF 2X III, 1 x Pro Sling Backpack, 1 x SanDisk 64GB Ultra SDXC Memory Card, 1 x Memory Card Reader, 1 x 12_inch Flexible Tripod, 1 x Memory Card Wallet, 1 x Lens Cap Keeper, 1 x Cleaning Kit, 1 x Hand Strap

The Extender EF 2X III from Canon is designed for select Canon EF mount L-series telephoto lenses. It increases the focal length of a lens by a factor of 2x while still delivering superb image quality. To ensure the best possible image quality in all shooting conditions, it combines redesigned optics, improved data communication between lens and camera and enhanced environmental protection. It is ideal for photojournalists and wildlife, nature and sports photographers.

The Extender EF 2x III features nine optical elements in five groups, ensuring improved optical performance. All optical elements have Canon's Super Spectra coating to reduce ghosting and flare. A new Fluorine Coating on the front and rear elements makes marks, such as spots left by water or fingerprints, much easier to clean than standard coatings.

Key Features: EF Mount Teleconverter - 2.0x Magnification Factor - Microcomputer Controlled - Communication Between Lens Camera - Spectra Coating Reduces Ghosting/ Flare - Protective Fluorine Coating - Dust and Water Resistant - Compatible with Select EF Mount Lenses

Compatibility: Fixed focal length L-series lenses 135mm and over, All versions of the EF 70-200mm f/2.8L, EF 70-200mm f/2.8L IS, and EF 70-200mm f/4L, EF 100-400mm f/4.5-5.6L

Specifications

Mount Type
EF Mount Teleconverter
Magnification Factor
2.0x
Optical Elements
9 elements in 5 groups
Coatings
Super Spectra coating, Fluorine Coating
Control
Microcomputer Controlled
Environmental Protection
Dust and Water Resistant
Compatibility (Lenses)
Fixed focal length L-series lenses 135mm and over, All versions of EF 70-200mm f/2.8L, EF 70-200mm f/2.8L IS, EF 70-200mm f/4L, EF 100-400mm f/4.5-5.6L

Pros & Cons

👍 Pros

  • Increases the focal length of compatible lenses by a factor of 2x, extending telephoto reach significantly
  • Features nine optical elements in five groups, ensuring improved optical performance for image quality
  • Includes Canon's Super Spectra coating to effectively reduce ghosting and flare for clearer images
  • Equipped with a Fluorine Coating on front and rear elements, making cleanup of smudges and water spots easier
  • Designed to be dust and water resistant, offering enhanced durability in challenging shooting conditions

👎 Cons

  • Only compatible with select Canon EF mount L-series telephoto lenses, limiting its usability with other lens types
  • Using a 2x extender will reduce the maximum aperture of the lens by two stops, impacting low-light performance
  • The bundle includes numerous accessories that may not be necessary for every user, potentially adding to the cost
  • As a "Renewed" product, its prior usage and warranty details might be a consideration for some buyers
  • The increased focal length can make handheld shooting more challenging, potentially requiring a tripod

Frequently Asked Questions

The Canon Extender EF 2X III increases the focal length of a compatible lens by a factor of 2.0x.
It features nine optical elements in five groups and Canon's Super Spectra coating, designed to deliver superb image quality and reduce ghosting and flare.
Yes, the Extender EF 2X III is designed to be dust and water resistant, enhancing its durability in various shooting environments.
A new Fluorine Coating is applied to the front and rear elements, making them easier to clean from water spots and fingerprints.
It is compatible with select EF mount L-series telephoto lenses, specifically fixed focal length L-series lenses 135mm and over, and all versions of the EF 70-200mm f/2.8L, EF 70-200mm f/2.8L IS, EF 70-200mm f/4L, and EF 100-400mm f/4.5-5.6L.
Yes, using a 2x extender will reduce the effective maximum aperture of the attached lens by two stops.