Feb 01, 2016 13:04 | #16 the tamron was ok IQ wise, but at 600, the drop in IQ was noticeable and had to be shot at F8 for good results. The sigma looks a tad inferior, however the dock is a plus. I'de buy either a new tamron or second hand sigma for warranty purposes. The sigma was on sale during the holidays for $700, that makes it a very good deal. The newer tamrons can do panning(updated firmware), where all the sigmas can do panning without having to worry about which version to buy. Sony A7siii/A7iv/ZV-1 - FE 24/1.4 - SY 24/2.8 - FE 35/2.8 - FE 50/1.8 - FE 85/1.8 - F 600/5.6 - CZ 100-300 - Tamron 17-28/2.8 - 28-75/2.8 - 28-200 RXD
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I purchased the Tamron because it was the only 150-600 available for over a year. I did get the firmware that addresses the VC while panning issues, which would not be necessary for any copy produced in the past year or so. If I were buying now I would probably consider the Sigma C, because I have the Sigma Dock for my 30mm 1.4. However, my Tamron does everything I need it to do, and I have no complaints. Plus, in the US at least, nobody beats the Tamron warranty. Digital EOS 90D Canon: EF 50mm f/1.8 II, EF 50mm f/2.5 Compact Macro, Life-Size Converter EF Tamron: SP 17-50mm f/2.8 DiII, 18-400mm f/3.5-6.3 DiII VC HLD, SP 150-600 f/5-6.3 Di VC USD G2, SP 70-200 f/2.8 Di VC USD, 10-24mm f/3.5-4.5 DiII VC HLD Sigma: 30mm f/1.4 DC Art Rokinon: 8mm f/3.5 AS IF UMC
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RikWriter Goldmember  More info Post edited over 7 years ago by RikWriter. | Feb 25, 2016 12:31 | #18 The Tamron is very nice. Haven't tried the Sigma, but I have no complaints about the IQ of the Tamron. Not terribly fast focusing but I didn't expect it to be for the focal length and price.      My pics:
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Immaculens creeped by the TF....  More info Post edited over 7 years ago by Immaculens. | Feb 28, 2016 06:58 | #19 What a Bonus that Sigma is updating the lens FW in March for even faster AF. The sigma dock is worth having, even if you have to search to borrow/rent one for a day.
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Feb 28, 2016 14:33 | #20 Immaculens wrote in post #17916138  What a Bonus that Sigma is updating the lens FW in March for even faster AF. The sigma dock is worth having, even if you have to search to borrow/rent one for a day. http://www.sigmaphoto.com …emporary-firmware-update/ Cool. Digital EOS 90D Canon: EF 50mm f/1.8 II, EF 50mm f/2.5 Compact Macro, Life-Size Converter EF Tamron: SP 17-50mm f/2.8 DiII, 18-400mm f/3.5-6.3 DiII VC HLD, SP 150-600 f/5-6.3 Di VC USD G2, SP 70-200 f/2.8 Di VC USD, 10-24mm f/3.5-4.5 DiII VC HLD Sigma: 30mm f/1.4 DC Art Rokinon: 8mm f/3.5 AS IF UMC
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Feb 28, 2016 21:42 | #22 RikWriter wrote in post #17916754 Oops, wrong thread, sorry. Why? The thread is about these two lenses, and you discussed one of them. Digital EOS 90D Canon: EF 50mm f/1.8 II, EF 50mm f/2.5 Compact Macro, Life-Size Converter EF Tamron: SP 17-50mm f/2.8 DiII, 18-400mm f/3.5-6.3 DiII VC HLD, SP 150-600 f/5-6.3 Di VC USD G2, SP 70-200 f/2.8 Di VC USD, 10-24mm f/3.5-4.5 DiII VC HLD Sigma: 30mm f/1.4 DC Art Rokinon: 8mm f/3.5 AS IF UMC
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Feb 29, 2016 04:55 | #23 pknight wrote in post #17917136 Why? The thread is about these two lenses, and you discussed one of them.
My pics:
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Mar 22, 2016 14:35 | #24 The firmware update thing and dock lead me to order my Sigma today, historically ive also just had good luck with Sigma and not Tamron.. Gear, New and Old! RAW Club Member
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