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  • Sigma APO 2x Teleconverter EX DG for Minolta and Sony HSM Mount Lenses
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Sigma APO 2x Teleconverter EX DG for Minolta and Sony HSM Mount Lenses

by Sigma
| 58 answered questions

Currently unavailable.
We don't know when or if this item will be back in stock.
Minolta and Sony HSM Mount Lenses
  • Front & Rear Lens Caps
  • Soft Case
  • Warranty
Currently unavailable. We don't know when or if this item will be back in stock.

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Style: Minolta and Sony HSM Mount Lenses
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Technical Details


Product Description

Style: Minolta and Sony HSM Mount Lenses


The dedicated APO teleconverter can be mounted between select lenses and the camera body to increase the focal length by the power of 2.0x. 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 2.0 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.

Product Details

Style: Minolta and Sony HSM Mount Lenses
  • Product Dimensions: 2.7 x 2 x 2.7 inches ; 8.3 ounces
  • Shipping Weight: 12 ounces
  • Shipping: This item is also available for shipping to select countries outside the U.S.
  • ASIN: B001UQUAVM
  • Item model number: APO 2x HSM TeleConverter Sony
  • Average Customer Review: 3.5 out of 5 stars  See all reviews (95 customer reviews)
  • Product Warranty: For warranty information about this product, please click here
  • Date first available at Amazon.com: March 1, 2010

From the Manufacturer


2.0X Teleconverter EX APO DG

Extend Your Reach X2

Equipped with 2 SLD (Special Low Dispersion) glass element for maximum image quality, the 2X EX APO DG teleconverter utilizes 6 elements in 5 groups. With 2X the reach, get the most out of your lens without adding more weight to your bag. For compatibility with Sigma lenses, please refer to Sigma’s website.

About Sigma

Since 1961, and with the recent introduction of Sigma Global Vision, we have worked toward one single, simple goal: To hold ourselves to the highest standard of design & manufacturing of imaging products. Photography is all we do. And it’s all we’ve done. So you can rest assured that it’s something we know extensively and care deeply about. You have a vision. We’ve made it our mission.

  • Dedicated teleconverter lens
  • Multi-layer coating reduces ghost & flaring
  • Carrying case, body & rear caps

Customer Questions & Answers

Customer Reviews

After shooting with the teleconverter for 3 weeks I decided to send it back.
Robert P.
I bought this to supplement a Sigma 70-200mm f2.8 APO EX DG OS HSM lens and I am very happy with it.
That Guy from Seattle
I have shot around 100 pics with this set up and have been very pleased with the results.
Ronnie Phipps

Most Helpful Customer Reviews

145 of 157 people found the following review helpful By T. Spencer on February 16, 2007
Style Name: Nikon Mount Lenses Verified Purchase
After reading the two reviews above, I was somewhat baffled. If you do any research on this product, you will find it clearly is made only for use with Sigma lenses, not Nikon lenses. The instruction manual that comes with the converter even lists which specific Sigma lenses to use. If you want a converter for Nikon lenses, buy the Nikon TC-20E (retails for more than twice the Sigma). Of course the quality of this product is poor when using a Nikon lens! I have a Sigma 70-200 zoom and it works beautifully; it is well worth the price.
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106 of 118 people found the following review helpful By Photoleif on May 21, 2009
Style Name: Canon Mount Lenses
This review concerns the Canon-compatible converter. First, to set things straight: this TC that I am reviewing is intended for only Canon cameras, and for Sigma lenses that mount on a Canon camera. Anything else, you're taking your chances (Nikonians, you have your own mount, so disregard that). Second, there are optical laws that invariably predict a 2-stop decrease in the amount of light hitting the sensor. And finally, glass, no matter which brand or how many exotic elements in it, has undesirable characteristics and you will always lose some amount of clarity, saturation and perceived quality (how much varies from lens to lens and eye to eye).

Now that those fundamentals are out of the way, the results and recommendations. I took several photos using this TC mounted on my Sigma 70-200/2.8 and my Sigma 150-500/5.6~6.3. I also attempted to mount my Canon 28-70/2.8L on it, but the fit did not work (it scrapes and sticks and will not lock into place), and thus I believe they are incompatible. I did not test it with my Sigma 10-20/4.5~5.6 for obvious reasons.

AF is maintained throughout the entire range of the 70-200/2.8, as advertised in Sigma's compatibility chart. MF is engaged electronically for the entire range on the 150-500/5.6~6.3, again per the chart. AF through the 70-200 is solid, accurate, and has no degradation of speed. MF through the 150-500 @ 500 is, as one should understand, a touchy process, though it's aided considerably by the optical stabilization function.

Image quality @ 500mm (really, 1000mm) is not spectacular (though what does one expect, given a maximum aperture of about f/12.9). I didn't expect wonders but I had hopes of better. Some of this is inevitably due to my challenge in focusing, which is difficult without a split-prism finder.
Read more ›
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55 of 64 people found the following review helpful By Robert P. on August 4, 2011
Style Name: Nikon Mount Lenses Verified Purchase
First let me just say that I am NOT a pixel peeper. I am a professional photographer that realized, after years, that my clients are more concerned with the content of a photo than if it's a little soft. I have sold 16x24 prints even after pointing out to the client that it is not tack sharp. With that in mind I had reasonable expectations for this 2x teleconverter. I shoot a Sigma 70-200 f2.8 lens and wanted the teleconverter to get some more reach for recreational wildlife photography. I did not expect it to perform like a dedicated $1700 400mm telephoto lens. I figured it would be a little soft. The converter was compatible with the 70-200 and autofocus was fast.

After shooting with the teleconverter for 3 weeks I decided to send it back. I REALLY wanted it to work. The images were unusable for me. Like I said, I'm not a pixel peeper that obsesses over tack sharp images. Even my wife (a non photographer) asked by the images were blurry. I thought maybe it was my technique. So I mounted it on tripod, in the middle of the day with a fast shutter speed just to see if I could get something that was sharp. No matter what I did I got really soft images with what looked like a dreamy blur to them (think cheesy 1980s portraits) and color fringing.

I love Sigma glass. Its high quality, professional level equipment that will stand up to professional abuse. I shoot the Sigma 70-200mm 2.8, 18-50mm 2.8 and the 30mm 1.4. Amazing glass at a fraction of the cost as Nikon or Canon. But this 2x converter does not hang with the rest of them. Maybe I just got a bad copy but it sounds like others have had the same experience. Guess I'll just need to save up for the big boy: Sigma 50-500mm.

Hope this helps.
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34 of 40 people found the following review helpful By Ronnie Phipps on May 2, 2008
Style Name: Nikon Mount Lenses
I got this 2x converter to match the Sigma 70/200 2.8 lens. I have shot around 100 pics with this set up and have been very pleased with the results. I have shot wildlife to school track meets.
The only reason I couldn't give this converter a perfect mark is I can't use it with my other Nikon lens.
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16 of 18 people found the following review helpful By Brian06 on February 4, 2011
Style Name: Canon Mount Lenses Verified Purchase
I bought this product primarily for use with my canon mount Sigma 2.8 70-200. So far it has performed exactly as it should. I havent tried to mount it on any of my other lenses, but according to sigma's website, it is built for use specifically with sigma lenses, which makes perfect sense. Obviously the 2x extender takes you down to 5.6, but to make a 200mm lens a 400mm is pretty well worth it in my opinion, though shooting a football game under low light wouldnt really be an option with the 5.6 aperture, any other decently well lit situations would work well with this extender. The autofocus seems to be working perfectly, as if the extender is not even there when using my Sigma 2.8 70-200. This product does exactly what it is supposed to do and is an awesome edition to any sigma lens setup.
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