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Canon Extender EF 2X III

Canon Extender EF 2X III
Daily Price Weekly Price
$15.00 $45.00

The Canon Extender EF 2X III has a 2X magnification factor and works with Canon L series primes 135mm and longer as well as long focal range Canon L series zooms such as the Canon 70-200mm and Canon 100-400mm.


The Canon Extender EF 2X III will turn your 70-200mm f2.8 L series lens to a 140-400mm lens. This Canon extender is microcomputer controlled, is water and dust resistant and communicates with the camera and the lens. This extender is ideal for sports and wildlife where you cannot get too close to the action. This Canon 2X adapter is compatible with:

Canon 135mm f2 L series prime

Canon EF 180mm f3.5 L series prime

Canon EF 200mm f2.8 L series prime

Canon 70-200mm f2.8 zoom

Canon 70-200mm f2.8 IS zoom

Canon 70-200mm f4 zoom

Canon 100-400 f4.5/5.6 zoom

Shot On the Canon Extender EF 2X III

Great test shots using the Canon Extender 2X III with a Canon 70-200mm lens

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Frequently Asked Questions
1 ) Does the Canon EF Extender 2x III communicate with the lens?

Yes, the Canon EF Extender 2X iii communicates with both the lens and camera using an integrated processor, showing the metering and ID information and allowing focusing.

2 ) Can I use the extender with my Canon 24-105mm f4 lens?

No, this Canon extender only works with a set list of long primes and zoom lenses, 135mm and up and 70-200mm and 100-400mm L series lenses.