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Old Jul 26, 2016, 8:38 PM   #1
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Default Tamron 150-600mm vs Sigma 150-600(C)

Does anyone have an opinion on either of these lenses on a Canon 70D? Looking for quietest autofocus and speed of autofocus..I know the Sigma you can buy a dock but have heard good things about Tamron..Any imput would be very helpful in making my decision and I choose not to rentem..Thanks
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Old Jul 28, 2016, 10:11 PM   #2
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..I know the Sigma you can buy a dock but have heard good things about Tamron..
Well Tamron just came out with their own dock too:
http://www.tamron-usa.com/news/35mm/...onsole2016.php
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Old Jul 28, 2016, 10:14 PM   #3
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Both Sigma and Tamron have ultrasonic drive so the lenses should be equally quiet!

The key here is the 1.4x teleconverter...
I know for a fact that the Sigma 150-600 works really well with a 1.4xTC on the Nikon, so well that I keep it on permanently on my D500

I have a 7D MrkII too, but I only have a Sigma 50-500 for Canon so I can't test that combo for you, or the Tamron.
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Last edited by NHL; Jul 28, 2016 at 10:22 PM.
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Old Aug 23, 2016, 3:39 AM   #4
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I have a Tamron 150-600 mm. It is very slow in focus on the 70D. The Sigma 1.4 TC doesn't AF on this lens. You will be better off by getting a Sigma 150-600 mm C.
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Old Sep 1, 2016, 9:17 PM   #5
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I have a Tamron 150-600 mm. It is very slow in focus on the 70D. The Sigma 1.4 TC doesn't AF on this lens. You will be better off by getting a Sigma 150-600 mm C.
Well it looks like progress never stop:
https://www.bhphotovideo.com/explora...Goes-Long-with

-> good for all of us photographer I guess
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Old Dec 8, 2017, 7:44 AM   #6
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I have the sigma 150-600c on a 7d2 great lens works for me. I don't have a tc as irony like the down side of them and to be honest on a crop body you have a tc built in
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