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12-21-2015, 09:02 AM   #1
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hsm drive

I have a k30, k50, and a k5 bodies. I just bought a hsm sigma 50-150 f2.8 for 500 dollars including shipping. I have a non-hsm sigma 70-200. Which one has faster af and which one should use? I also have a sigma non-hsm 16-50 f2.8. should I buy the hsm 16-50 f2.8. what are the post on hsm sigma lens?

12-21-2015, 09:32 AM - 4 Likes   #2
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QuoteOriginally posted by rick pafford Quote
I just bought a hsm sigma 50-150 f2.8 for 500 dollars including shipping. I have a non-hsm sigma 70-200. Which one has faster af and which one should use?
You have the lenses. You tell us!
12-21-2015, 11:10 AM   #3
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QuoteOriginally posted by rick pafford Quote
I just bought a hsm sigma 50-150 f2.8 for 500 dollars including shipping. I have a non-hsm sigma 70-200. Which one has faster af and which one should use?
The 50 - 150 is fast and has top notch IQ - only you can decide which one you want to use.
12-21-2015, 11:53 AM   #4
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Depends on the body you use them on. On my K3 I can not tell the difference between HSM and screwdrive. On my K50 HSM is faster.

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