Sigma 2x EX DG Tele Converter 

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Teleconverter Reviews Sigma
User rating
out of 5
Editor's rating
out of 5
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Lens Summary

Overview

2x EX DG Tele Converter

The 2x EX is placed in the same way and it allows the photographer to use the 70-200mm f/2.8 lens as a 140-400mm f/5.6 telephoto zoom lens, and the 300mm f/2.8 lens as a 600mm f/5.6 ultra telephoto lens.

TELE converters dedicated to the APO 70-200mm f/2.8 EX and the APO 300mm f/2.8 EX lenses increase the Focal length by at least 1.4 times.

The TELE converters provide a larger focal length and allow greater mobility, which is useful for taking photographs of sport, nature and landscapes.

Lens Specifications

Details


Main Specification
1.4X
2X
Lens construction 5 elements in 3 groups 6 elements in 5 groups
Focal length 1.4x that of a master lens 2x that of a master lens
Aperture coupling range F2.8 - F32 F2.8 - F32
Reproduction ratio 1.4x that of a master lens 2x that of a master lens
Dimensions 68.5 X 19.5mm
(2.7in. X 0.75in.)		 68.5 X 52mm
(2.7in. X 2.05in.)
Weight 143g (5oz.) 234g (8.3oz.)
SRP £159.99 £199.99

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User Lens Reviews

Average user rating from: 6 user(s)

Overall rating (weighted)
2.2
Sharpness
2.2
Build Quality
2.3
AF Speed
2.0
Value for Money
2.3
 

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1 of 3 people found the following review helpful

Poor focus when used with Sigma 50-500mm Telephoto, Thursday, 30 October 2008


Overall rating (weighted)
1.3
Sharpness
1.0
Build Quality
1.0
AF Speed
1.0
Value for Money
2.0
I bought this teleconverter to use with the Sigma 50-500mm f/4-6.3 APO DG Telephoto Zoom Lens for Nikon SLR Cameras. My intent was to use it for bird photography with my Nikon D200. However, after thorough testing in good light (Better Beamer, F11, 1/250, ISO 200), I was unable to get clear images (tried both auto and manual focus).

I returned both the telconverter and the Sigma 50-500mm.
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1 of 3 people found the following review helpful

Poor focus when used with Sigma 150-500mm Telephot, Thursday, 30 October 2008


Overall rating (weighted)
1.5
Sharpness
2.0
Build Quality
1.0
AF Speed
1.0
Value for Money
2.0
I bought this teleconverter to use with the Sigma 150-500mm f/5-6.3 AF APO DG OS HSM Telephoto Zoom Lens for Nikon Digital SLR Cameras. My intent was to use it for bird photography with my Nikon D200. However, after thorough testing in good light (Better Beamer, F11, 1/250, ISO 200), I was unable to get clear images (tried both auto and manual focus).

I returned both the telconverter and the Sigma 50-500mm.
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3 of 4 people found the following review helpful

Very pleased, Thursday, 01 May 2008


Overall rating (weighted)
3.5
Sharpness
3.0
Build Quality
5.0
AF Speed
3.0
Value for Money
3.0
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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6 of 6 people found the following review helpful

Sigma 2X EX DG APO Teleconverter for Nikon AF Came, Thursday, 15 February 2007


Overall rating (weighted)
4.8
Sharpness
5.0
Build Quality
4.0
AF Speed
5.0
Value for Money
5.0
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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3 of 6 people found the following review helpful

Loss of Quality / Lack of Focus, Friday, 09 February 2007


Overall rating (weighted)
1.3
Sharpness
1.0
Build Quality
2.0
AF Speed
1.0
Value for Money
1.0
I bought this converter to use with my Nikon ED AF Nikkor 80-200mm 1:2.8 D lens on my Nikon D80. It fits the lens, and seems to work, at least for metering and manual focus, but the resulting images aren't usable-- or at least aren't any more usable than without the converter. My test shoots have been with a sturdy tripod in broad daylight, around f8 and 1/640th (so, plenty of light). I varied the aperture from 11 down to 3.2 (changing the speed accordingly). In taking pictures of a still subject, where I have achieved excellent focus through the viewfinder, the resulting images are very noticeably out of focus.

I played with focusing closer or farther, compared with dead on, and none of these produced an image that was clearly enough in focus to be worthwhile. If I compare the images taken without the teleconverter at 200mm with images taken with the converter (400mm), the result is a similar amount of clarity. In other words, if I crop and the 200mm photos and compare them to ones taken with the teleconverter, I've got just about the same clarity. So, the upshot is, don't get this teleconverter if you are looking to get closer and retain clarity in your images.
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2 of 7 people found the following review helpful

only works with very select lens', Tuesday, 05 September 2006


Overall rating (weighted)
1.0
Sharpness
1.0
Build Quality
1.0
AF Speed
1.0
Value for Money
1.0
i bought this item to extend my shooting range on my nikon d100 - the longest lens i have is a 300mm. the 2X converter didn't fit my nikkor 300mm, my tamron 28-80mm or my nikon 105.
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