77mm 1.8 Limited - AF speed on K30 (or K5) in low light?

Started Aug 31, 2012 | Discussions thread
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Pentax_Prime
Pentax_Prime Senior Member • Posts: 2,498
Re: FA77 vs. DA70 -- Re: 77mm 1.8 Limited - AF speed on K30 (or K5) in low light?

Yup; pretty much sums up the advantages of the DA Limited series for AF. The 77 has a long focus throw for MF lovers - the 70 has quicker AF and QS.

jf_tea wrote:

On several occasions, I have seen the FA77 unable to AF in low-light, but, the DA70 succeeded after struggling. It seems (it sounds!) that the low throw of the FA77 is an handicap for AF.
I have no experience with the Sigma.
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-JF
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