- Product Dimensions: 6.9 x 5.2 x 6.9 cm ; 236 g
- Item model number: 876205
- ASIN: B001UQUAVM
- Date first available at Amazon.in: 24 March 2012
- Average Customer Review: Be the first to review this item
Sigma APO 2x Teleconverter EX DG for Minolta and Sony HSM Mount Lense
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- Front and rear lens caps
- Soft case
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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.
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Most helpful customer reviews on Amazon.com
After some practice with it I have gotten some really good results and am very happy with it, needed this for some of the places I like to shoot as there is great distance (500ft. plus in spots) to the subjects, birds mostly, and no way to get closer.
Another option if you are having trouble focusing is to use a good quality viewfinder add on for your LCD screen, it has the added benefit of making you LCD usable in bright light so you can actually see what is going on.
I have gotten useful shots handheld as the stabilization is very effective with that lens but is definitely better with a tripod in most cases, as you may know that is a heavy lens even a strong person like me it will go wobbly after a bit.
I have also been able to make some great video clips something I could not quite do to my liking before, live view is actually a great way to focus using the magnifier zoom, maybe a screen or eyepiece magnifier would be useful as well.
It takes some really good skill and eyesight to get accurate shots manually quickly and consistently, so anything that helps is good.
I am glad I did not go by the negative reviews, really has opened up things for me and taken things to a new level, it's a great addition to the camera bag for sure.
Even better I got this as an Amazon warehouse deal for a 100 dollars less it is new except no box, has padded case and caps and Sigma quality.
As expected with a 2x tele-converter you will lose a couple of stops in your aperture value. I am using a Canon 7D Mark II along with a couple of high-powered photography editing software so shooting at a higher ISO to compensate for the aperture loss was acceptable. I could remove any noise and adjust exposure during my post processing work.
What I did not expect was the soft images and slow focusing when using the tele-converter. There are also very visible lens aberrations on many of my photos when using the tele-converter.
1. Much cheaper than purchasing a 2.8 300 mm lens
2. Easily fits into your camera bag or even a pocket
3. Doubles your lens distance at an affordable price
4. Slightly matted paint finish looks really good and matches my Sigma 70-200 mm lens
The Not-So Good:
1. Images are much softer when using this tele-converter
2. Focusing seems slower
3. There is very visible lens aberrations on many of my photos when using the tele-converter
Camera Type: Canon 7D Mark II
Used with the following lens: Sigma 2.8 70-200mm
Please vote 'Helpful' if you found this review helpful. :-)
But, there is nothing like actually using it. Eventhough it is APO it does
lessen the sharpness of the pictures taken, and on the lower light condition,
the viewfinder is darkened significanly. On a very bright day with various lenses
and with with Nikon D7200 and 200mm lens this is acceptable. However, with other
zoom lenses, and lower light condition, it was not really worth the money.
It is ok for bright daylight situations. But knows its limitations before
purchasing this unit. ANd ofcourse, the auto focus was slow and not very
accurate at times, depending on lighting condition
Virtually every one of the negative reviews on this item are because of incompatibility. There are a couple that say "it is supposed to work with my lens" but don't say which lens they are talking about. That makes the statement worse than useless.
If you look at the reviews for Nikon and Canon teleconverters you will see the same comments (probably the same people). The description clearly states "select" Sigma lenses. Just as the Nikon says "select" Nikon lenses. So the Sigma TC is not designed to work with Nikon or Canon lenses and not all Sigma lenses will work. Go to the manufacturers site to check compatibility.
Now to my review.
I purchased this TC to work with my Sigma F2.8 70-200 lens as a lower cost solution to buying a longer lens for the occasions I needed one. Yes I lose some light for my D800, need to step down from 2.8 to 5.6. However that is the entire range from 70-200 (now 140-400). I find that in most situations I shoot that is way more than adequate because I do not use it for high speed photography. Unlike another reviewer I have noticed only a minor amount of autofocus degradation and the OS seems to work well but as always, the longer you go the more imperative it is to have a steady (tripod) shoot. Photographs are not 100% tack sharp but are very reasonable for the distance. In a recent airshow photo shoot I can see the pilots mustache clearly from about 200 meters through the cockpit. Not too shabby. Color saturation is a little down, almost on a par with a DX camera. But again the clarity is decent for a TC. I can tell little if any difference between this and a rented Nikon TC along with the Nikon VR2 70-200.
This is a terrific value for the money if you know what you are looking for and buy it for the purpose it was intended for.