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Extender EF 1.4xIII

Explore Key Features
Dust- and Drip-Resistant, Fluorine Coating

High-performance extender that stretches the lens focal length by 1.4 times

1.4x increase of the lens focal length. Lens placement and coatings are optimized to minimize the ghosting effect.
  • Lens construction: 7 elements in 3 groups
  • Max. diameter x length, weight: ø72.0 x 27.2 mm, 225 g/ 2.8” x 1.1”, 7.9 oz.

1/640sec., f/5.6, ISO 400, FL: 700mm(shooting with EF500mm f/4L IS II USM)

Lens Construction
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