Canon EF Extender 2x II

This teleconverter provides 2x image magnification at the cost of 2 f-stops of aperture. Some loss of image occurs even when used with L quality telephoto prime lenses. While the 2x can be used with “L” quality telephoto zooms (70-200mm f/2.8 and longer), we don’t really recommend it for the 100-400mm Canon zoom or any 3rd party zoom. On non-1 series cameras, use of a 2x teleconverter will require manual focus on any lens with an aperture greater than f/2.8.

PLEASE NOTE:

The Canon 2x will not fit on wide angle or standard zooms, wide angle primes or many third-party lenses.

If you rent a 2x teleconverter and are using it on any lens other than the Canon 200mm f/2.0 IS, 300mm f/2.8 IS, 400mm f/2.8 IS, 500mm f/4 IS, or 600mm f/4 IS, you are probably not going to be happy with the result, if it works at all. If you decide you want to use it with another lens, do so at your own risk. Please don’t expect us to refund the rental when it didn’t work with your 70-300 f/5.6 zoom.

Roger's Take

Founder & CEO

Well, there is no free lunch. If you could double the focal length of a lens with no downside for $250, then why wouldn’t they just build these in? 2x teleconverters are useful if you’re shooting L...

Autofocus	Manual Focus Only
Compatibility	Crop,Full Frame
Focal Length	Unknown
Hood Included	No
Image Stabilization	No
Item Type	Lens
Lens Type	Teleconverters
Max Aperture	Unknown
Minimum Aperture	Unknown
Mount	Canon EF

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Specifications

Autofocus	Manual Focus Only
Compatibility	Crop,Full Frame
Focal Length	Unknown
Hood Included	No
Image Stabilization	No
Item Type	Lens
Lens Type	Teleconverters
Max Aperture	Unknown
Minimum Aperture	Unknown
Mount	Canon EF

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Reviews

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Rental Period	Lenscap+	Rental Price	Total Price	Price Per Day (Approx.)
3 days	$4.00	$17.00	$21.00	$7.00
4 days	$4.00	$18.00	$22.00	$5.50
7 days	$5.00	$24.00	$29.00	$4.14
10 days	$7.00	$32.00	$39.00	$3.90
14 days	$9.00	$42.00	$51.00	$3.64
21 days	$12.00	$56.00	$68.00	$3.24
30 days	$15.00	$71.00	$86.00	$2.87
45 days	$19.00	$92.00	$111.00	$2.47
60 days	$23.00	$108.00	$131.00	$2.18
90 days	$29.00	$139.00	$168.00	$1.87

Rental Period	Lenscap	Rental Price	Total Price	Price Per Day (Approx.)
3 days	$2.00	$17.00	$19.00	$6.33
4 days	$2.00	$18.00	$20.00	$5.00
7 days	$3.00	$24.00	$27.00	$3.86
10 days	$4.00	$32.00	$36.00	$3.60
14 days	$5.00	$42.00	$47.00	$3.36
21 days	$7.00	$56.00	$63.00	$3.00
30 days	$9.00	$71.00	$80.00	$2.67
45 days	$12.00	$92.00	$104.00	$2.31
60 days	$14.00	$108.00	$122.00	$2.03
90 days	$17.00	$139.00	$156.00	$1.73

Rental Period	Rental Price	Price Per Day (Approx.)
3 days	$17.00	$5.67
4 days	$18.00	$4.50
7 days	$24.00	$3.43
10 days	$32.00	$3.20
14 days	$42.00	$3.00
21 days	$56.00	$2.67
30 days	$71.00	$2.37
45 days	$92.00	$2.04
60 days	$108.00	$1.80
90 days	$139.00	$1.54

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