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

4.2 out of 5 stars 155 customer reviews

Price: $427.95 & FREE Shipping
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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)

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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 (155) 4 out of 5 stars (207) 4 out of 5 stars (179) 3 out of 5 stars (97) 4 out of 5 stars (181) 3 out of 5 stars (90)
Price $427.95 $429.00 $1,899.00 $249.00 $1,149.00 $139.99
Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping FREE Shipping
Sold By SSE Photo & Video Amazon.com Amazon.com Adorama Camera Amazon.com SSE Photo & Video
Color White White Black/Silver Black Grey Black
Compatible Camera Mount Canon EF Canon EF Canon EF Canon EF, Canon EF Canon EF Canon EOS
Focus Type auto-focus auto-focus Ultrasonic auto-focus Ultrasonic
Item Dimensions 1.06 x 2.83 x 2.83 in 2.09 x 2.83 x 2.83 in 7.6 x 3.7 x 3.7 in 0.79 x 2.72 x 2.72 in 10.12 x 3.54 x 3.54 in 0.39 x 0.39 x 0.39 in
Item Weight 7.83 ounces 0.72 lb 3.46 lbs 5.04 ounces 2.8 lbs 0.04 ounces
Lens Type 35mm 35mm Zoom lens Teleconverter Prime lens Teleconverter
Maximum Aperture 1.4 f/2 40 2.8 5.6 4.5
Maximum Focal Length 1 millimeter 2 millimeters 400 millimeters 420 millimeters 400 millimeters 280 millimeters
Minimum Aperture 22 4.5 32
Minimum Focal Length 1 millimeter 2 millimeters 100 millimeters 70 millimeters 400 millimeters 15 millimeters
Photo Filter Thread Size 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. 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

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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SERIAL #0460001310 FULL 14 DAY SATISFACTION GUARANTEE AND A 90 DAY PARTS AND LABOR WARRANTY.

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