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Canon EF 2X II Extender Telephoto Accessory
 
 

Canon EF 2X II Extender Telephoto Accessory

Other products by Canon   See collection 
4.0 out of 5 stars  See all reviews (48 customer reviews) More about this product

In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
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Frequently Bought Together

Canon EF 2X II Extender Telephoto Accessory + Canon EF 70-200mm f/2.8L IS USM Telephoto Zoom Lens for Canon SLR Cameras + Canon 77mm UV Haze
Price For All Three: To see our price, add these items to your cart. Why don't we show the price?

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  • Get 55 Free Prints: Purchase this or other qualifying Camera, Photo and Video products from Amazon.com and get 55 free prints, including 50 4 x 6-inch, four 5 x 7-inch, and one 8 x 10-inch, valued at $15.45--from Shutterfly. Applies only to purchases of products sold by Amazon.com, and does not apply to products sold by third-party merchants and other sellers through the Amazon.com site. Offer valid through November 30, 2009. View terms and conditions. Here's how (restrictions apply)
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What Do Customers Ultimately Buy After Viewing This Item?

Canon EF 2X II Extender Telephoto Accessory
66% buy the item featured on this page:
Canon EF 2X II Extender Telephoto Accessory 4.0 out of 5 stars (48)
$309.00
Canon EF 1.4X II Extender Telephoto Accessory
11% buy
Canon EF 1.4X II Extender Telephoto Accessory 4.4 out of 5 stars (48)
$299.59
Canon 77mm UV Haze
8% buy
Canon 77mm UV Haze 3.4 out of 5 stars (62)
$31.69
Canon EF 50mm f/1.8 II Camera Lens
8% buy
Canon EF 50mm f/1.8 II Camera Lens 4.5 out of 5 stars (974)
$98.30

Technical Details

  • Telephoto extender designed to double Canon EF lens focal length
  • Ideal for shooting close-ups from a distance at sporting events
  • Weather-resistant and anti-reflective internal construction
  • Maintains autofocus with any EOD body with f/2.8 or faster aperture
  • Measures 2.8 inches in diameter and 2.3 inches long; weighs 9.3 ounces
  See more technical details

Product Details

  • Product Dimensions: 5.3 x 3.8 x 3.5 inches ; 9.3 ounces
  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • Shipping: Currently, item can be shipped only within the U.S. and to APO/FPO addresses. For APO/FPO shipments, please check with the manufacturer regarding warranty and support issues.
  • ASIN: B00009XVBY
  • Item model number: 6864A004
  • Average Customer Review: 4.0 out of 5 stars  See all reviews (48 customer reviews)
  • Date first available at Amazon.com: October 20, 2003

Product Description

Amazon.com Product Description

Designed to double the focal length of any compatible Canon EF lens, the Canon EF 2x II extender telephoto accessory is ideal for sporting events and nature photography. The lens boasts a new seven-element design, along with the same weather-resistant and anti-reflective internal construction as the companion EF 1.4x II extender. More significantly, the extender supports autofocus with any EOS body provided the lens has an f/2.8 or faster maximum aperture (the EF 2x II reduces effective aperture by two stops). The EF 2x II--which also maintains an EOS camera's Image Stabilization technology--carries a one-year warranty.

  • Magnification: 2.0x
  • Lens construction: 7 elements in 5 groups
  • Dimensions: 2.8 inches in diameter and 2.3 inches long
  • Weight: 9.3 ounces


Product Description

This extender has been re-designed optically and offers excellent performance with compatible EF lenses (same as the Extender EF 1.4x II). It features a new seven-element design, and same weather-resistant design and anti-reflection internal construction as the new EF 1.4x II. The EF 2x II doubles the focal length of any lens it's mounted to, and reduces its effective aperture by two stops. With the EF 2x II, AF is possible with any EOS body if the lens has an f/2.8 or faster maximum aperture, and compatible Image Stabilization lenses maintain the IS feature when used with any current EOS camera.

Buy This Product and Related Accessories

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Customers Who Bought This Item Also Bought

Canon EF 70-200mm f/2.8L IS USM Telephoto Zoom Lens for Canon SLR Cameras

Canon EF 70-200mm f/2.8L IS USM Telephoto Zoom Lens for Canon SLR Cameras

Canon EF 100-400mm f4.5-5.6L IS USM Telephoto Zoom Lens for Canon SLR Cameras

Canon EF 100-400mm f4.5-5.6L IS USM Telephoto Zoom Lens for Canon SLR Cameras

4.8 out of 5 stars (130)  $1,610.00
Canon 77mm UV Haze

Canon 77mm UV Haze

3.4 out of 5 stars (62)  $31.69
Canon EF 1.4X II Extender Telephoto Accessory

Canon EF 1.4X II Extender Telephoto Accessory

4.4 out of 5 stars (48)  $299.59
Canon EF 300mm f/2.8L IS USM Telephoto Lens for Canon SLR Cameras

Canon EF 300mm f/2.8L IS USM Telephoto Lens for Canon SLR Cameras

5.0 out of 5 stars (16)  $4,340.00
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Customer Reviews

Average Customer Rating
4.0 out of 5 stars (48 customer reviews)
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 (23)
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Most Helpful Customer Reviews

 
108 of 110 people found the following review helpful:
5.0 out of 5 stars Fantastic add-on, February 20, 2008
It should be obvious - this extender really needs to be used with a tripod. That alone will increase your image quality. It's also designed for the higher quality Canon lenses - the EF series. 90% of the complaints about this accessory ignore those two facts. The next biggest complaint - autofocus. Again, Canon is clear that you need a lens with an aperture of 2.8 or faster in order for autofocus to work. Basically, so what! If I'm on a tripod shooting my subject, I'm going to pre-focus . The depth of field is in such a compact area and you're zoomed in so much, autofocus is really not that important. What did people do before autofocus? Skip the photo?

So if you understand what you are purchasing and know how to use it - well, like with any great tool - you'll produce fantastic results. If you don't know how to use it, try and do a hand-held 400mm zoom, or attempt to catch that bird as it swoops past, forget it. This is not a $5,000 lens. It's a $300 add on that extends your current lens.

If you could afford that 10 lb, 800mm telephoto lens - at $12,000 - you would not be looking at this accessory. I'm not trading in my car for a lens any time soon - and this little accessory does the job just fine. I've tried it on action shots freehand - even though I knew better. Forget it. Handheld when it's added on to my 200mm? Almost as bad. On a tripod? Fantastic. Even better if you have the remote trigger.

The bottom line is that if you are looking for an affordable alternative, know how to use it, and are willing to spend the half hour it takes to master this multiplier, you will get great results. If you expect to point and shoot, then buy a point and shoot camera.
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136 of 146 people found the following review helpful:
3.0 out of 5 stars Twice the reach at what price?, July 15, 2006
This extender is limited to which lenses it will work with, most of them L lenses. The II model features a new seven-element weather-resistant design, and improved anti-reflection internal construction. Auto-focus is possible with any EOS body if an f/2.8 or faster maximum aperture lens is used. Image Stabilization lenses maintain the IS feature when used with current EOS cameras. Using this extender with any lens will eliminate one or two f stops and decrease sharpness to some degree.

I rented this extender to use with the Canon EF 100-400mm f4.5-5.6L IS USM telephoto zoom lens. This lens while sharp and high in quality, is not the sharpest L lens out there. I found adding this extender with the 100-400mm caused the sharpness to suffer too much for my tastes outweighing the benefit of having extra reach. The minimum 7.6 f-stop limits creative abilities with this combination too.

I would imagine that using with an extremely sharp lens like the Canon EF 70-200mm f/2.8L IS USM telephoto zoom lens would be able to handle the reduction in sharpness with minimal effect. I didn't own this lens when I used the extender, so I cannot say for sure.

I would suggest renting or taking your camera and lens to the store and trying this extender out before buying. I can see where certain combinations may benefit the photographer. In my case, it didn't work out for me.

PROS:
Provides extra reach

CONS:
Eliminates one or two f-stops
Decreases sharpness of the lens
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70 of 73 people found the following review helpful:
5.0 out of 5 stars Must have for sports and nature shooters., October 18, 2005
By T. Harding "Decapod Dude" (Palm Valley, Florida) - See all my reviews
(REAL NAME)   
If you have the big lenses (400mm f/2.8L IS USM or even the 70-200mm f/2.8L IS USM) this is totally worth the addition. The 2x does NOT kill the autofocus on the f/2.8 and effectively doubles your lens with very little distortion around the edges. Check compatability on Canon's website. You won't be disappointed!
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Most Recent Customer Reviews

3.0 out of 5 stars Gets you closer, but at a cost
The longest lens I own is a 70-200mm f/2.8, so this accessory turns it into a 140-400 f/5.6, which is handy when shooting wildlife. Read more
Published 3 days ago by John Margaglione

5.0 out of 5 stars Must have for nature and wildlife photographers
Amazing product with my 70-200 2.8 and this product I was able to take pictures of a Squirrel and it was just as if he was sitting in my living room. Read more
Published 1 month ago by Cyrus

5.0 out of 5 stars Excellent Product from Canon
This Extender is really great. The image quality is extremly good. However, I think that it is mandatory to use a tripod to get great shots with the Extender. Read more
Published 2 months ago by Yasser M. El-zeneiny

4.0 out of 5 stars Simply put...it performs to expectation!
I have only used this Extender outdoors so far to photograph my 14 year old son's football game. Simply put...it performed to my expectation and beyond. Read more
Published 3 months ago by Kevin Grimes

4.0 out of 5 stars Great to keep in the bag
Will this get the same results as a dedicated 400/500/600mm prime lens..?
Nope.

Did I expect it to..?
Nope. Read more
Published 4 months ago by G. Wagstaff

5.0 out of 5 stars This may over ride auto focus capabilities
I shoot a lot of long distance action, sports, wildlife, etc. and thought this would be a good addition for my canon 100-400mm. My long canon lens is an f/5. Read more
Published 6 months ago by George F. Phares

5.0 out of 5 stars canon EF 2x teleconverter
Great converter, but very limited to number of lens that it can be used with.
Published 6 months ago by Fran

1.0 out of 5 stars VERY UNSATISFIED
At first I was exited to get this product, particularly because it was a Canon product that would compliment my Canon EOS Rebel camera and EF lens. Read more
Published 6 months ago by Noel Diaz

5.0 out of 5 stars Canon 2x Extender
I love this addition to my camera bag! Works get with my 70 - 200 zoom. I only wish it would work with more lenses.
Published 6 months ago by Mark Hellekson

5.0 out of 5 stars Extend your power
I was excited when the extender arrived. I was prepared to dedicate an afternoon to use it with my telephoto. So I unpacked attached to my telephoto and Voila! Read more
Published 8 months ago by Jorge C. Galvez

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