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12-21-2013, 06:25 PM   #16
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Unless you are going to spend serious dollars on something like the VR 300 2.8 from Nikon, I'd get the K3. It works very well. I have the DA*300, you might like the flexibility of the zoom in exchange for a bit of reach. Unless I'm close in, the lens focus mechanism speed is not an issue. I can follow birds in flight under most circumstances and get good results. The built in flash has a slave mode where it can be master, and it works very well for remote flash units.

I think the choke point for Pentax are lenses. But for what you do, you will get great results with the 60-250.

The Nikon D7100 seems flimsy and has buffer issues. And has banding issues with it's sensor.

12-21-2013, 06:52 PM   #17
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I just picked up my 60 250 from the local camera shop this week, so I've just started to test the lens.

Having said that, it appears that the lens on my K-5 (in overcast conditions) will lock focus pretty quick. I was able to get in focus shots of cars passing (~40mph) the end of my tree lined driveway by estimating focus (somewhere between 15m and infinity) and then taking the shot after focus was confirmed in the viewfinder. Doing the focus at my feet and then focus on a contrasty target about a 100ft away test, it was a little over a second to lock focus. Not super scientific, but definitely anecdotal
12-21-2013, 07:23 PM   #18
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I still don't understand why the K3 doesn't look good for this job. If you were successful with the K20D and whatever lenses you are using now, you should be well-pleased with the performance and output of the K3. If it's the lens that is the sticking point, switching to another system (in order to get the Canon 70-200/f2.8 for example) only gets you one stop of light, and it will cost you a WHOLE lot more than you think because you won't be able to stop at just one lens. I would recommend staying with the weather proof, faster, better ISO performing Pentax body and mount, and fishing around for longer faster lenses from third party suppliers. This may sound odd advice coming from someone who made the switch to Canon last year, but if I were making money by shooting little boys splashing around in puddles with big trucks, I would have stayed with Pentax for sure. Ewwwwwww mud!
12-22-2013, 10:37 PM   #19
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I'm guessing the reason is because of the supposedly slow AF speed that all reviews comment on. That was what worried me too until I finally found a shop that carried Pentax for me to have a hands-on. For sure the AF is slowER than the newer Nikon and Canon, but it is not slow. Right now my only concern though is the possibility of SDM failure... which I hope has been exaggerated as well...

12-23-2013, 06:15 AM - 1 Like   #20
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It's amazing, isn't it? Amazing how a camera's suitability or non suitability for a particular purpose comes down to a few milliseconds of difference in auto focus speed or 1 or 2 fps difference in continuous rate.
Particularly remarkable when somehow, as if by magic, skilled photographers used to get amazing photos of sporting events before auto focus was even invented and with, at best, a 2fps motor drive.

(Bonus points for guessing the key word in the last sentence )

Last edited by Parallax; 12-23-2013 at 06:21 AM.
12-23-2013, 09:01 AM   #21
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QuoteOriginally posted by Parallax Quote
It's amazing, isn't it? Amazing how a camera's suitability or non suitability for a particular purpose comes down to a few milliseconds of difference in auto focus speed or 1 or 2 fps difference in continuous rate.
Particularly remarkable when somehow, as if by magic, skilled photographers used to get amazing photos of sporting events before auto focus was even invented and with, at best, a 2fps motor drive.

(Bonus points for guessing the key word in the last sentence )
Right on ! Parallax, right on. For along time I thought that ISO 64 was "fast". All manual focus, lots of keepers from "way back then". Skilled? Perhaps, and couldn't wait to "chimp" those transparencies when they came back from the lab.
12-23-2013, 09:31 AM   #22
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QuoteOriginally posted by Parallax Quote
Particularly remarkable when somehow, as if by magic, skilled photographers used to get amazing photos of sporting events before auto focus was even invented and with, at best, a 2fps motor drive.

(Bonus points for guessing the key word in the last sentence )
Unless you refer to "skilled," there are two words.

Motor. Drive.

Moved the single-use analog sensor across the back of the shutter curtain every time the shutter cycled. Quite amazing technology back in the day.
12-23-2013, 10:16 PM   #23
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"Magic", that's the key word I tells ya, "magic". There was no other way to get a sharp well focused photo before the digital age, right?

12-24-2013, 01:25 PM   #24
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Well the K-3 is a good choice and the 60-250 also. I see no trouble.
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