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  • Sigma APO Teleconverter 1.4x EX DG for Canon Mount Lenses
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Sigma APO Teleconverter 1.4x EX DG for Canon Mount Lenses

by Sigma
| 5 answered questions

List Price: $340.00
Price: $249.00 & FREE Shipping. Details
You Save: $91.00 (27%)
Only 18 left in stock (more on the way).
Ships from and sold by Amazon.com. Gift-wrap available.
Canon Mount Lenses
  • Lense construction: 5 elements in 3 groups.
  • Works with select Sigma lenses on Canon Digital SLR camera bodies only.
  • Increases minimum and maximum focal length by the power of 1.4x.
  • Multi layer lens coating reduces flare and ghosting.

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19 new from $249.00 5 used from $189.00 2 refurbished from $235.00

Frequently Bought Together

Sigma APO Teleconverter 1.4x EX DG for Canon Mount Lenses + Sigma APO Teleconverter 2x EX DG for Canon Mount Lenses + Sigma 70-200mm f/2.8 APO EX DG HSM OS FLD Large Aperture Telephoto Zoom Lens for Canon Digital DSLR Camera
Price for all three: $1,697.00

Buy the selected items together

Special Offers and Product Promotions

Style: Canon Mount Lenses

Technical Details

Style: Canon Mount Lenses
  • Brand Name: Sigma
  • Model: B000CD8BGU
  • Lens Type: Teleconverter
  • Minimum focal length: 70 mm
  • Maximum focal length: 420 mm
See more technical details

Read about our customers' top-rated lenses and cameras on our review pages: Lenses, Digital SLR Cameras, Compact System Cameras

Product Details

Style: Canon Mount Lenses
  • Product Dimensions: 0.8 x 2.7 x 2.7 inches ; 5.1 ounces
  • Shipping Weight: 11.2 ounces (View shipping rates and policies)
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B000CD8BGU
  • Item model number: B000CD8BGU
  • Average Customer Review: 3.6 out of 5 stars  See all reviews (73 customer reviews)
  • Date first available at Amazon.com: June 17, 2003

Product Description

Style: Canon Mount Lenses

Product Description


The dedicated APO teleconverter can be mounted between select lenses and camera body to increase the focal length by the power of 1.4x. The new multi layer coating reduces flare and ghost, which is a common problem with digital cameras. They demonstrate best performance with DG series lenses. They also offer maximum photography magnification by 1.4 x, without any variation in the minimum focusing distance. Compact and lightweight, these teleconverter convert your lenses into longer focal-length lenses, so you don't have to do a lot of unnecessary footwork.

Amazon.com

The Sigma APO Teleconverter 1.4x EX DG for Canon Digital SLR Cameras is a dedicated APO teleconverter that can be mounted between select lenses and the camera body to increase the focal length by the power of 1.4. The multi-layer coating reduces flare and ghosting, which is a common problem with digital cameras. The lens also offers maximum magnification without any variation in the minimum focusing distance. Compact and lightweight, this teleconverter can convert your lenses into longer focal-length lenses, so you don't have to do a lot of unnecessary footwork. A case for the lens is included.

Customer Reviews

The build quality is solid, as with all my other Sigma lenses.
Z. Wagner
I now have the Sigma 70-200mm F2.8 EX II, the Sigma EX DG 100-300mm F4 lens and the Sigma 150mm EX DG macro.
D. Bowers
Didn't actually use the teleconverter because it did not fit any of my lenses.
Sparkling Pix "Don"

Most Helpful Customer Reviews

28 of 29 people found the following review helpful By Enche Tjin on November 2, 2009
Style Name: Nikon Mount Lenses
I get the Sigma Teleconverter 1.4X especially for outdor sport games. I have Nikon D700 & D90 and Sigma 70-200mm f/2.8 HSM. I feel that 70-200mm f/2.8 is too short on D700 (full frame) and D90 (1.5x crop), therefore i get this teleconverter. It is a good alternative because it is much cheaper than buying 300mm f/2.8 or 100-300mm f4 lens.
Build quality

Build quality is the same as typical Sigma EX (professional line lens) and very well match with Sigma 70-200mm f/2.8 HSM.

COMPATIBILITY

Sigma teleconverter 1.4 only works with Sigma lenses. There are about a dozen compatible lens, but only a few retain auto focus function. There are: Sigma 180mm macro f/3.5 EX HSM, Sigma 300mm f/2.8 EX HSM, and Sigma 70-200mm f/2.8 EX HSM.

AUTO FOCUS PERFORMANCE

I don't feel any difference in auto focus performance, so it remain excellent.

IMAGE QUALITY

It loses a bit of contrast and sharpness, but generally still very good. Check out sample images from my web blog. You can get the address from my Amazon profile.

CONCLUSION

Sigma teleconverter 1.4x is a great affordable alternative for Sigma telephoto lens' user, especially for those who need extra reach. It does not sacrifice auto focus performance and only degrade a little bit of image quality. But remember that the maximum aperture will be smaller by one stop. So it might not be very good alternative if you shooting in low light like night sports.
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28 of 29 people found the following review helpful By Paul Johnson on July 14, 2007
Style Name: Canon Mount Lenses Verified Purchase
Optically outstanding when combined with the Sigma 70-200 f2.8 EX DG. This new Sigma EX DG lens and converter is super sharp and great color that stacks up to the famed Canon L series at about 60% of the cost. I see incredible clarity at 800% magnification doing touch ups in Photoshop.

I've used both and wouldn't hesitate a second buying the Sigma DG series again.

Advanced amateur who loves Canon.
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15 of 15 people found the following review helpful By Allan Thornton on January 31, 2009
Style Name: Nikon Mount Lenses Verified Purchase
I have used this with a Sigma 150-500mm lens. Since the Sigma lens is relatively slow I lose autofocus -- but shots I haven't had this long but shots that I have taken of squirrels and birds in the back yard remain sharp. This is a good purchase for those with compatible Sigma lenses looking for more reach.
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13 of 13 people found the following review helpful By Zip Skip on December 30, 2010
Style Name: Nikon Mount Lenses Verified Purchase
Be sure to check Sigma's web site for lens compatibility. Amazon shows a "buy it with a Sigma 150-500", which I already own. However the auto focus does not work with this lens. The mount is not as tight as the Nikon TC and there is also a pronounced internal rattle on the Sigma TC. I'm seriously considering returning this for a refund. I already got a replacement and it's no better than the first. Now the good things I've seen about the Sigma TC. Comparatively cheap, relatively sharp, small in size, if the auto focus worked on the Sigma 150-500 I would not hesitate to keep it. So... how important is auto focusing??? I'm still debating! Double the price and buy the Nikon??
On Amazon's returns. AWSOME. I ordered and replacement and it was here in 2 days, no problem. And as for return shipping their postage was less than what I ended up paying at USPS.

Sigam's lens compatibility chart;

LENS Converter Effective
Focal length Effective
Aperture Maximum
Macro
Ratio for SIGMA for SONY Serial Numbers lower than 5000001 for SONY Serial Numbers higher than 5000001 for NIKON for PENTAX for CANON
150mm F2.8 EX DG Macro 1.4X 210mm f/4 1:4.1 AF*2 - - AF*2 - AF*2
150mm F2.8 EX DG Macro 2.0X 300mm f/5.6 2:1 MF - - MF - MF
180mm f/3.5 Macro *4 1.4X 252mm f/4.9 1.4:1 AF*3 MF MF AF*3 AF*3 AF*3
180mm f/3.5 Macro *4 2.0X 360mm f/7 2:1 MF MF MF MF MF MF
300mm f/2.8 EX 1.4X 420mm f/4 1:5.4 AF AF MF AF AF AF
300mm f/2.8 EX 2.0X 600mm f/5.6 1:3.8 AF AF MF AF AF AF
500mm f/4.5 EX *5 1.4X 700mm f/6.3 1:5.5 MF MF MF MF MF MF
500mm f/4.5 EX *5 2.0X 1000mm f/9 1:3.9 MF MF MF MF MF MF
800mm f/5.6 EX 1.4X 1120mm f/8 1:6.3 MF MF MF MF MF MF
800mm f/5.6 EX 2.0X 1600mm f/11 1:4.
Read more ›
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12 of 13 people found the following review helpful By Philip Loria on May 29, 2008
Style Name: Nikon Mount Lenses Verified Purchase
For the past year I have used mine on a regular basis with my Sigma 150 macro lens. This creates a 210 F4 macro that is amazing. It is not possible to tell, by looking at the pictures, which were taken with or without this TC. Buying this gives you a second lens of equal quality for a little bit of money.
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7 of 7 people found the following review helpful By M. G. Chuley on January 13, 2010
Style Name: Nikon Mount Lenses
I've been using this converter for a couple of years now, on my sigma 100-300mm f4, 120-400mm 4.5/5.6, and recently on my new Nikon AF-S 300mm f4. Works great on all of them. Fast auto focus (maunal on the 400mm sigma) sharp as the original lens.
The only downside is on the Nikon AF-s the readout says f4 when it should say 5.6 and the data says 300mm focal length instead of 420mm.(its not designed for this lens but produces shots as sharp as the 300mm without the converter) It auto focuses accurately and light meters correctly . Considering you can pick these up for less than half the price of a nikon tc its a steal, Just make sure you get the DG model which is optimized for long telephotos.
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7 of 7 people found the following review helpful By Z. Wagner on December 3, 2009
Style Name: Canon Mount Lenses Verified Purchase
I've been using this teleconverter with my Sigma 70-200 2.8 lens, and it works like a charm, exactly as advertised with, as far as I can tell so far, no degradation in image quality. I'm sure there is some (don't think you could get it to zero), but it's not noticeable to my eye, and I've been known to do some pixel peeping. The build quality is solid, as with all my other Sigma lenses.
Just don't forget that this adds a stop to your lens, so my 2.8 is a 4 with it on. Also, be SURE to check compatibility charts at Sigma before you buy it!
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