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Archive 2013 · TESTS : Sigma 500 & Sigma 120-300 with Kenko + Nikon ...
  
 
davidnholtjr
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p.2 #1 · p.2 #1 · TESTS : Sigma 500 & Sigma 120-300 with Kenko + Nikon + Sigma TCs


Very nice comparison.

The 500 with the kenko1.4x seems it may need some fine tuning with that combo.



Apr 30, 2013 at 11:56 PM
Frogfish
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p.2 #2 · p.2 #2 · TESTS : Sigma 500 & Sigma 120-300 with Kenko + Nikon + Sigma TCs


knower wrote:
I use Sigma 120-300 with 1.4 and 2.0 SIGMA EX TCs at all times, I find the image quality very good for such a strong teleconverter (the 2x).
The 1.4x get amazing quality.

The speed of the AF is ok, but the accuracy on the 2x drops a bit. 1.4x is great.

G.


I agree on the Sigma x2.0 on the 120-300. It's a great combination and IQ, even AF is still very decent. I have tried using the Nikon TC in the field on the 120-300 and AF is so bad it isn't worth the effort, however the same TC on the 500 does reasonably well in AF and very well in IQ.



May 01, 2013 at 03:14 AM
Frogfish
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p.2 #3 · p.2 #3 · TESTS : Sigma 500 & Sigma 120-300 with Kenko + Nikon + Sigma TCs


rd4tile wrote:
You should try the Sigma TCs on your 120-300. I found them superior to Nikon's and based on your shots I think you would as well. The AF speed is improved as well.


I don't have a Sigma x1.4 or Nikon x2.0

The Nikon IQ is excellent ... it's just the AF is horrendous on the Sigma 120-300. Fine on the 500.




May 01, 2013 at 03:16 AM
 

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Frogfish
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p.2 #4 · p.2 #4 · TESTS : Sigma 500 & Sigma 120-300 with Kenko + Nikon + Sigma TCs


gugs wrote:
I still didn't try my TC's on the Sigma 120-300 OS. After seeing your tests, I'll definitely give it a try. I have tested the Sigma 1.4 with good results, never tried a Nikkor (I have a 1.4, 1.7 and 2.0, but didn't know they were compatible) or my Kenko 2.0. Thanks for posting this.

Guy


I'd be interested to know how you get on Guy, especially with the x1.7 and x2.0 and the AF.



May 01, 2013 at 03:18 AM
Frogfish
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p.2 #5 · p.2 #5 · TESTS : Sigma 500 & Sigma 120-300 with Kenko + Nikon + Sigma TCs


rd4tile wrote:
The IQ with both the sigma TCs is top notch, it's just the AF speed/accuracy where the Nikon 300 and 200-400 pull away. If the limiter on the new model cleans that up it's going to be a much bigger player like the 35 f1.4. I liked that lens a lot but in the end went for the weight/handling of the new 80-400.


I'm not so sure of that. Although the IQ with the Sigmas is very very good, the Nikon 300/2.8 is supposed to be Nikon's sharpest lens bar none and I tried out the 200-400 in a shop last week. I was astounded at the sharpness under severe lighting conditions (very dim, weak bulb lit corridor) and the AF was strong and decisive even then and impressively accurate on people walking directly towards me - something most combinations have difficulty with.

I have already ordered the 300/2.8 VRII (10 days to go to delivery) but I was very tempted to cancel it and switch to the used 200-400 (for the same money) though I didn't want to give up the f2.8 and the 300 is better with TCs than the 200-400, a very important consideration for me personally.

The shot below is from the 200-400 at about 20m plus the 100% crop. No sharpening or PP of any sort, SOOC. Sharpness level is reduced about 15-20% when taking a screen shot using Skitch and then you can add on degradation from jpg conversion and forum algorithms (also applies to all the Sigma shots above of course). Believe me for a shot of an old faded photograph, that isn't particularly sharp to begin with, this was astonishing.

Handheld, 1/320, ISO 6,400, wide open @ f4



100% Crop




May 01, 2013 at 03:45 AM
Airphoto
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p.2 #6 · p.2 #6 · TESTS : Sigma 500 & Sigma 120-300 with Kenko + Nikon + Sigma TCs


Having used the 120-300 and the 500mm. I do know the 500mm is receptive to nikon and sigma tc. But the Sigma 120-300 communicates best with the Sigma TC that might be the same is true of the kenko and the 500mm. The 500mm is an incredible lens for the money that so is needing OS.
My only drawback with the Sigma tc's with Nikon lenses is they wont record a micro af value separate from the main lens

Thanks for putting it out there!



Jun 18, 2013 at 03:16 PM
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