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Canon EF 1.4X III Telephoto Extender for Canon Super Telephoto Lenses

4.4 out of 5 stars 145 customer reviews

Price: $429.00 & FREE Shipping. Details
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  • 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)
26 new from $429.00 10 used from $349.99
$429.00 & FREE Shipping. Details In Stock. Ships from and sold by Amazon.com. Gift-wrap available.

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  • Canon EF 1.4X III Telephoto Extender for Canon Super Telephoto Lenses
  • +
  • Canon EF 100-400mm f/4.5-5.6L IS II USM Lens
  • +
  • B+W 77mm Clear UV Haze with Multi-Resistant Coating (010M)
Total price: $2,469.94
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This item Canon EF 1.4X III Telephoto Extender for Canon Super Telephoto Lenses
Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart
Customer Rating 4 out of 5 stars (145) 5 out of 5 stars (172) 3 out of 5 stars (95) 4 out of 5 stars (174) 4 out of 5 stars (103) 3 out of 5 stars (117)
Price $429.00 $1,999.00 $249.00 $1,149.00 $1,349.00 $299.00
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By Amazon.com Amazon.com Adorama Camera Amazon.com Amazon.com Photo Savings
Color White White Black Grey Black Black
Compatible Camera Mount Canon EF Canon EF Canon EF, Canon EF Canon EF Canon EF Canon EOS
Focus Type auto-focus Ultrasonic auto-focus Ultrasonic Ultrasonic auto-focus
Item Dimensions 2.83 x 1.06 x 2.83 in 3.7 x 7.6 x 3.7 in 2.72 x 0.79 x 2.72 in 3.54 x 10.12 x 3.54 in 3.54 x 8.7 x 3.54 in 2.72 x 2.05 x 2.72 in
Item Weight 7.83 ounces 3.46 lbs 5.04 ounces 2.8 lbs 2.62 lbs 0.52 lb
Lens Type 35mm Zoom lens Teleconverter Prime lens Prime lens Teleconverter
Maximum Aperture 1.4 40 2.8 5.6 4 5.6
Maximum Focal Length 1 millimeter 400 millimeters 420 millimeters 400 millimeters 300 millimeters 400 millimeters
Minimum Aperture 10 4.5 32 32
Minimum Focal Length 1 millimeter 100 millimeters 70 millimeters 400 millimeters 300 millimeters 70 millimeters
Photo Filter Thread Size 77 millimeters 77 millimeters 77 millimeters

Product description

Product Description

The Canon Extender EF 1.4x III extends a lenses focal length by a factor of 1.4x. Extender EF 1.4X III incorporates phenomenal optical performance with minimal chromatic aberration and is a perfect complement to many of Canon super telephoto lenses. It features a built-in microcomputer for seamless communication among camera body, lens and extender; features careful lens placement and coatings to minimize ghosting and flare and even has a new Fluorine coating that keeps soiling, smears and fingerprints to a minimum. An integral part of many professional systems, Extender EF 1.4X III maintains high standards not only optically, but also in terms of rugged, dustproof and water resistant construction

From the Manufacturer

Extending a lens's focal length by a factor of 1.4x, the Extender EF 1.4X III incorporates phenomenal optical performance with minimal chromatic aberration and is a perfect complement to many of Canon super telephoto lenses. It features a built-in microcomputer for seamless communication among camera body, lens and extender; features careful lens placement and coatings to minimize ghosting and flare and even has a new Fluorine coating that keeps soiling, smears and fingerprints to a minimum. An integral part of many professional systems, Extender EF 1.4X III maintains high standards not only optically, but also in terms of rugged, dustproof and water resistant construction.

Technical Specifications

  • Focal Length & Maximum Aperture Magnification: 1.4x
  • Lens Construction 7 elements in 3 groups
  • Max. Diameter x Length, Wight 2.8 x 1.1 in, 7.9 oz / 72.0 x 27.2mm, 225g


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