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How to mount and dismount the EF 2x III Extender

How to mount and dismount the EF 2 x III Extender

EF 2x III Extender : What are the parts and controls - nomenclature?

EF 2 x III Extender : What are the parts and controls - nomenclature?

Specifications for the EF1.4X III and EF2X III Extenders

Please see the dimensions, weights, and other specifications for the EF 1.4 X III and EF 2 X III Extenders .

What lenses are compatible with the EF 1.4x III and EF 2x III extenders?

Please see the following chart for lens compatibility with the EF 1.4 x III and EF 2 x III extenders .

Camera / Extender Compatibility Chart for the EF 200-400mm f/4L IS USM Extender 1.4x

Camera/Extender Compatibility Chart EF 1.4 x III and EF 2 x III extenders are recommended for use with EOS Digital Cameras.

Lenses that can be used with Extender EF1.4X III and EF2X III

Usable lenses: Lens Focal Length & Maximum Aperture EF 1.4 X III EF 2 X III EF 135mm f/2L USM 189mm f/2.8 270mm f/4 EF 180mm f/3.5L Macro USM 252mm f/4.5 360mm f/6.7 EF 200mm f/2.8L USM 280mm f/ 4 400mm f/5.6 EF 200mm f/2.8L II USM 280mm f/4

Using Extenders (Sold Separately) with the EF 400mm f/2.8L IS III USM lens

Extenders EF1.4x III EF 2 x III Focal length (mm) 560 800 Aperture f/4 - 45 f/5.6 - 64 Angle of View Horizontal 3°40' 2°35'

Using Extenders (Sold Separately) with the EF 600mm f/4L IS III USM lens

Extenders EF1.4x III EF 2 x III Focal length (mm) 840 1200 Aperture f/5.6 - 45 f/8 - 64 Angle of View Horizontal 2° 30' 1° 40'

Using Extenders (Sold Separately) with the EF 400mm f/4 DO IS II USM lens

Extenders EF1.4x II/III EF 2 x II/ III Focal length (mm) 560 800 Aperture f/5.6 - 45 f/8 - 64 Angle of View Diagonal 4° 25' 3° 5'

Using Extenders (Sold Separately) with the EF 300mm f/2.8L IS II USM lens

Extenders EF1.4x II/III EF 2 x II/ III Focal length (mm) 420 600 Aperture f/4 - 45 f/5.6 - 64 Angle of View Diagonal 5° 55' 4° 10'

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