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Tamron AF 2X Teleconverter for Canon Mount Lenses
 
 
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Tamron AF 2X Teleconverter for Canon Mount Lenses

by Tamron
3.7 out of 5 stars  See all reviews (11 customer reviews) |
In Stock.
Ships from and sold by Amazon.com. Gift-wrap available.
Only 1 left in stock--order soon (more on the way).
Want it delivered Thursday, February 2? Choose One-Day Shipping at checkout. Details
Important Warranty Information: By purchasing Tamron products from an authorized dealer, you can ensure the quality of the product, which will be also covered by Tamron USA's Six-Year Limited Warranty, the only warranty accepted by Tamron USA, Inc. in the USA as of October 1, 2007. In addition, only Tamron products purchased from Amazon.com or another authorized Tamron dealer qualify for Tamron's mail-in rebate program. To see a full list of authorized dealers visit the Tamron website at http://www.tamron-usa.com/dealers.php.

Frequently Bought Together

Tamron AF 2X Teleconverter for Canon Mount Lenses + Fotodiox Canon EOS Macro Extension Tube Set Kit for Extreme Close-up, fits Canon EOS 1d,1ds,Mark II, III, IV, 5D, Mark II, 7D, 10D, 20D, 30D, 40D, 50D, 60D, Digital Rebel xt, xti, xs, xsi, t1i, t2i, t3, t3i, 450D, 500D, 550D, 1000D, 1100D + Professional 58mm Digital Tulip Flower Lens Hood For canon 18-55mm , 28-80mm , 28-90mm , 28-105mm , 55-250mm , 70-300mm , 75-300mm , 100-300mm , 50mm 1.4 , 85mm 1.8 with Lens cap Holder and Lens cleaning Kit
Price For All Three: $193.11

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Technical Details

  • Multiplies focal length 2 times for more telephoto
  • Recommended for lenses 50mm or wider
  • Effective aperture decreases by 2 stops and may effect AF operation.
  • Comes with pouch
  • 1 Year warranty

Product Details

  • Product Dimensions: 3 x 3 x 1 inches ; 8 ounces
  • Shipping Weight: 1 pounds (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B00006I5WP
  • Item model number: AF20C-700
  • Average Customer Review: 3.7 out of 5 stars  See all reviews (11 customer reviews)
  • Date first available at Amazon.com: October 2, 2001

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Product Description

Tamron 2X Teleconverter for Canon EOS mount cameras

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Customer Reviews

11 Reviews
5 star:
 (4)
4 star:
 (4)
3 star:
 (1)
2 star:    (0)
1 star:
 (2)
 
 
 
 
 
Average Customer Review
3.7 out of 5 stars (11 customer reviews)
 
 
 
 
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Most Helpful Customer Reviews

12 of 12 people found the following review helpful:
4.0 out of 5 stars Fun accessory, February 13, 2009
By 
C. Piekarz (Fort Collins, CO United States) - See all my reviews
(REAL NAME)   
Amazon Verified Purchase(What's this?)
This review is from: Tamron AF 2X Teleconverter for Canon Mount Lenses (Electronics)
I purchased this for astrophotography purposes, I'm using it with a Canon Rebel XSi (EOS 450D).

As the description says, using this costs you 2 stops. Autofocus has been hit and miss for me; my 50mm prime searches a bit, but usually focuses fine. My Tamron 70-300mm Di LD lens won't autofocus at all.

Quality-wise, I get noticable purple fringing in some images, but nothing that's uncorrectable.

I'm definitely recommend this to anybody searching for a cheap teleconverter - If you want quality though, get the Canon version.
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12 of 13 people found the following review helpful:
3.0 out of 5 stars Works great, March 2, 2009
By 
This review is from: Tamron AF 2X Teleconverter for Canon Mount Lenses (Electronics)
I wanted a larger lens and not the price.
On my 70 to 300mm cannon lens it works ok.
At higher lens values it has a hard time auto focusing but just switching to manual solved that. I shot mostly race cars, durning the day so the loss of 2 f-stops is not a problem. Have not tried it inn teh early or late hours with lower light. Pictures are sharp and clear.
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5 of 5 people found the following review helpful:
5.0 out of 5 stars Tamron 2x teleconverter, January 25, 2009
By 
N. Cornell (Peekskill, NY) - See all my reviews
(REAL NAME)   
Amazon Verified Purchase(What's this?)
This review is from: Tamron AF 2X Teleconverter for Canon Mount Lenses (Electronics)
Works great. The only problem is the f-stop is a little off, but with a little practice you'll have it working perfect in no time.
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Tamron 2x AF Teleconverter for Canon 1 May 21, 2011
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