Top 20 Best Canon Extender 2 Iii Reviews & Comparison [Ultimate Guide]

The future of the best canon extender 2 iii is here, and we’ve got all the best picks for 2024. We have compiled 68155 reviews from top experts that led us to these 20 devices on the list.

The Best Canon Extender 2 Iii Deals This Week: 

Bestseller No. 1
Canon EF 2.0X III Telephoto Extender for Canon Super Telephoto Lenses
  • Compatible with Select EF Mount Lenses. Note: This lens is only compatible with fixed focal length L-series lenses 135mm and over, as well as the EF 70-200/2.8L, EF 70-200/2.8L IS, EF 70-200/4L, and EF 100-400/4.5-5.6L
  • 2.0x magnification factor
  • 9 elements in 5 groups lens construction
  • Spectra coating reduces ghosting/flare
  • Dust and water resistant
Bestseller No. 2
Canon EF 2.0X III Telephoto Extender for Canon Super Telephoto Lenses (Renewed)
  • Compatible with Select EF Mount Lenses. Note: This lens is only compatible with fixed focal length L-series lenses 135mm and over, as well as the EF 70-200/2.8L, EF 70-200/2.8L IS, EF 70-200/4L, and EF 100-400/4.5-5.6L
  • 2.0x magnification factor
  • 9 elements in 5 groups lens construction
  • Spectra coating reduces ghosting/flare
Bestseller No. 3
Canon Extender EF 2X III (4410B002) + Cap Keeper + Cleaning Kit + More (Renewed)
  • Bundle Items Includes: 1 x Canon Extender EF 2X III, 1 x Lens Cap Keeper, 1 x Cleaning Kit
  • 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
Bestseller No. 4
Canon Extender EF 2X III (4410B002) + Backpack + 64GB Card + Card Reader + Flex Tripod + Memory Wallet + Cap Keeper + Cleaning Kit + Hand Strap + More (Renewed)
  • 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
Bestseller No. 5
USED Canon Extender EF 2x II
  • Measures 2.8 inches in diameter and 2.3 inches long; weighs 9.3 ounces
  • Maintains autofocus with any EOD body with f/2.8 or faster aperture
  • Ideal for shooting close-ups from a distance at sporting events
  • Telephoto extender designed to double Canon EF lens focal length
  • Weather-resistant and anti-reflective internal construction
Bestseller No. 6
Canon EXT. RF2X(N) (4114C002)
  • Dust- and water-resistant
  • Increases the focal length by a factor of 2x
  • Engineered with a combination of advanced optics, optimized coatings and high-quality construction
  • Item Package Weight: 1.5 pounds
Bestseller No. 7
Canon EF 1.4X III Telephoto Extender for Canon Super Telephoto Lenses
  • Focal Length & Maximum Aperture Magnification: 1.4x
  • Lens Construction of 7 elements in 3 groups
  • Max. Diameter x Length - 2.8" x 1.1" (72.0mm x 27.2mm)
  • Weight - 7.9 oz (225g)
Bestseller No. 8
USED Canon Extender EF 1.4x II
  • 1.4x telephoto extender for multiplying focal length of Canon 135mm or longer lenses
  • Fits all 135mm or longer fixed focal length lenses and some 70-200mm telephoto lenses
  • Preserves autofocus on any EOS camera when combined with f/4 or faster lens
  • Weather-resistant construction and improved anti-reflective surfaces in the barrel
  • Measures 2.9 inches in diameter and 1.1 inches long; weighs 7.8 ounces
Bestseller No. 9
Fotodiox Pro Autofocus 2X Teleconverter Compatible with Canon EOS EF Full Frame Lenses and EF/EFs Cameras
  • Doubles the focal length of a Canon EF lenses (2.0x Magnification Factor) (Will not fit all EFs lenses due to long rear element length)
  • Communication between lens & camera enables auto focus, auto iris & image stabilization
  • A maximum aperture of f/4 or greater is required in order to fully utilize the autofocus capabilities.
  • AF will only work properly if there is enough light and contrast on the subject to activate the camera's AF sensors. Manual focusing is recommended when using lenses with a smaller f-stop value.
  • Limited 2-Year Manufacturer Warranty
Bestseller No. 10
VILTROX TELEPLUS 2.0X Teleconverter Auto Focus Telephoto Extender Lens Converter for Canon EF Mount Telephoto Lens 2.0X Telephoto Lens for Canon 70-200mm 100-400mm and DSLR Camera 80D 5DII
  • Compatible for Select Canon EF Mount Lens. Notice: Doesn’t support EF-S Lenses. And use for 100mm or more fixed focal length lens, not use for 60mm of short-focus lens. Make sure it is compatible with your lens. If you are not sure, please send your camera and lens model to customer service before placing an order, and we will give you advice.
  • Support lens Auto Focus function and won't affect to Exif information. Telephoto extender designed to double Canon EF lens focal length.
  • 2.0x magnification factor. Adopt 7 optical glasses, 4 groups, the depth of field is half of the original lens.
  • With upgraded USB firmware interface. Weather-resistant and anti-reflective internal construction.
  • Ideal for shooting close-ups from a distance at sporting events.

Bottom Line about Canon Extender 2 Iii

When you purchase canon extender 2 iii, it’s important to consider whether or not the item will actually serve its purpose. Sometimes we may think that an acquisition is necessary when really there are other options available at a lower cost, which would suffice just as well with no loss in value–reviewing these alternatives beforehand can help avoid wasting money on unnecessary purchases later down the line. 

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