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Black cylindrical Canon EF 2.0X III telephoto extender with matte finish and metal mount, 72.0 x 52.7 mm, 325g

Canon

Canon EF 2.0X III Telephoto Extender 2.0x camera lens

SKU CH-498J-0SW5V

Doubles the focal length of compatible Canon telephoto lenses with 2.0× magnification, nine elements in five groups, and weather-resistant construction

  • TypeZoom Lens
  • Doubles focal length of compatible telephoto lenses with 2.0x magnification
  • High-quality optics maintain sharpness and contrast across 9 elements in 5 groups
  • Improved coatings reduce flare and ghosting plus Fluorine coating resists soiling
  • Weather-resistant construction protects against dust and moisture for outdoor use
  • Compact design at 72.0 x 52.7 mm and 325 g fits easily in camera bag

Purpose-built extender

The Canon EF 2.0X III doubles the focal length of compatible Canon super telephoto lenses. It uses nine elements in five groups to maintain sharpness and contrast across the frame. A built-in microcomputer enables seamless communication between camera body, lens and extender. Weather-resistant construction protects against dust and moisture during outdoor use.

Bundled protection

The package includes a Lens Dust Cap E for the rear mount and a Lens Case LP811 for storage and transport. The cap shields the rear element from dust and scratches when the extender is off the camera. The case provides padded protection in a kit bag or while moving between locations. Both accessories preserve optical performance over time.

Who it suits and who it does not

Wildlife and sports photographers who need extra reach from existing super telephoto glass will benefit from the 2.0x magnification. Photographers requiring wider apertures for low-light work or shallow depth of field should note the two-stop light loss. Users without compatible Canon EF super telephoto lenses cannot attach this extender.

Highlights

  • Doubles focal length of compatible telephoto lenses with 2.0x magnification
  • High-quality optics maintain sharpness and contrast across 9 elements in 5 groups
  • Improved coatings reduce flare and ghosting plus Fluorine coating resists soiling
  • Weather-resistant construction protects against dust and moisture for outdoor use
  • Compact design at 72.0 x 52.7 mm and 325 g fits easily in camera bag

Specifications

BrandCanon International
TypeZoom Lens

Questions about this item

Will the Fluorine coating on the rear element need reapplication after heavy field use?

The Fluorine coating on the rear element repels soiling, smears and fingerprints; it is a permanent surface treatment and does not require reapplication.

How much light does the 2.0x magnification cost me when shooting all day?

The 2.0x magnification reduces the effective maximum aperture by two stops, so exposure time or ISO must increase accordingly.

Does the 325g weight and 52.7mm length shift the balance on a tripod during long sessions?

At 325g and 52.7mm long, the extender adds minimal length and mass; balance shift on a tripod is negligible with most super-telephoto lenses.

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