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08-14-2012, 09:10 PM   #166
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QuoteOriginally posted by RonHendriks1966 Quote
The DA*55 will always be slow because of the larger trow in focussing.
I thought my DA*55 was pretty fast at AF actually. I sent it away for therapy (due to it's constant chatter) and they decided to keep it until a new SDM shows up. Maybe it's meant to be slow and mine was just too fast for it's own good.

08-14-2012, 10:16 PM   #167
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I recently rented a DA* 200mm and the AF was fast AF.
I liked the MF on that thing even more than my old film lenses. Great lens, I am most adamant that Ricoh/Pentax is working on the AF if they really are going to compete with Canon and Nikon though.
08-15-2012, 03:54 PM   #168
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AF not good on K5?

Hi is the AF really so bad on the K5? am thinking to switch systems from Oly 43..but need AF that's good enough for animals & tracking birds..is it smarter to wait for a K3 or whatever?
08-15-2012, 04:44 PM   #169
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QuoteOriginally posted by Shanti Quote
Hi is the AF really so bad on the K5? am thinking to switch systems from Oly 43..but need AF that's good enough for animals & tracking birds..is it smarter to wait for a K3 or whatever?
I don't think the AF is bad on the K-5. There are some tests that show it's quite good. When I tried the D7000 I wasn't thrilled with the Nikon; when I briefly tried a friend's 5D III, I could tell that the Canon was better.

The K-5 has a very large AF sensor. I don't know if that AF sensor size was reduced for the K-30 or not, or whether it would be reduced for the K-3. If you're tracking birds/animals in the open I don't think you'd really find a problem. If you're tracking them behind some branches I think you would find a problem.

08-15-2012, 07:35 PM   #170
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QuoteOriginally posted by Shanti Quote
Hi is the AF really so bad on the K5? am thinking to switch systems from Oly 43..but need AF that's good enough for animals & tracking birds..is it smarter to wait for a K3 or whatever?
AF is on high level in terms of speed and prehensility almost in any light condition, but there is some questions with accuracy in no good light condition or in mixed light with some lenses.
08-16-2012, 05:57 AM   #171
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QuoteOriginally posted by Shanti Quote
Hi is the AF really so bad on the K5? am thinking to switch systems from Oly 43..but need AF that's good enough for animals & tracking birds..is it smarter to wait for a K3 or whatever?
Get a K-30 or wait for something better than K-5.
08-16-2012, 06:32 AM   #172
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QuoteOriginally posted by Zafar Iqbal Quote
Get a K-30 or wait for something better than K-5.
Every time I see a comment referring to the K-30's supposedly superior AF, I go back to the K-30 review and read it again. Whereas it appears that the CDAF is clearly superior to that of the K-5, I don't see where there's any clear indication that the K-30's PDAF is superior. Am I missing something?
08-16-2012, 06:41 AM   #173
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Ok, I bit. Looked to see what's new and relevent on the thread about the K5 replacement... wow, great place to discuss anything but.

08-16-2012, 06:57 AM   #174
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QuoteOriginally posted by solar1 Quote
Ok, I bit. Looked to see what's new and relevent on the thread about the K5 replacement... wow, great place to discuss anything but.
The problem being the discussion of something that doesn't exist, once its official we can go from speculating to debating actual features.
08-16-2012, 08:40 AM   #175
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QuoteOriginally posted by bxf Quote
Every time I see a comment referring to the K-30's supposedly superior AF, I go back to the K-30 review and read it again. Whereas it appears that the CDAF is clearly superior to that of the K-5, I don't see where there's any clear indication that the K-30's PDAF is superior. Am I missing something?
Zafar and I both own both the K-5 and K-30, and we've both (separately) come to the conclusion that in the field, the K-30 is indeed more reliable than the K-5, with a better keeper rate and a better sense of confidence in your tool.
08-16-2012, 08:41 AM   #176
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Granted, there may be some K-5s out there that perform better than ours do.
08-16-2012, 09:03 AM   #177
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QuoteOriginally posted by Shanti Quote
Hi is the AF really so bad on the K5? am thinking to switch systems from Oly 43..but need AF that's good enough for animals & tracking birds..is it smarter to wait for a K3 or whatever?
I sold my E-3 and picked up a K-7, then K-5. Olympus AF for tracking is better than Pentax AF. Olympus 4/3 lenses with SWD are pretty fast. You will notice a difference.
08-16-2012, 10:59 AM   #178
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Pentax K-5 now also discontinued in the US | Photo Rumors
the k-3 or whatever will be out soon though, and you should expect that it will have better AF than the k-30.
08-16-2012, 11:05 AM   #179
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LOL... when I read the OP said about the "astronomy stuff"...... obviously OP was slow on catching up with Pentax news....
08-16-2012, 11:08 AM   #180
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QuoteOriginally posted by Winder Quote
Olympus AF for tracking is better than Pentax AF
I agree that this is the case in most circumstances. But also note that in general; the smaller the sensor the smaller that one can get away with the physical size of optics and also how far the optics have to move - thereby faster focusing.
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