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08-30-2016, 10:34 PM   #16
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QuoteOriginally posted by Tas Quote
G'day and welcome to the forums.

Your choice of cameras for this style of photography is interesting as I thought they were both better suited to more static subjects. I use a K-1 and have captured motocross and Superbike racing and no doubt the D810 can do just as well if not better. I don't have experience with the D810 but I'd have thought there would be less difference in performance imagery than say the D5/D500 and the K-1 as these are cameras aimed at action photography.

Of course you may be like me and you're after a 'jack of all trades' camera as you don't have a limitless budget to double up on cameras for specific roles.

As suggested, if you can try renting this will give you a better understanding of what each can offer better than anyone's opinions.

Good luck with your decision, though to be honest these days there are no bad cameras, just cameras with features and compromises that will suit your needs better than other options.

Tas
Thanks a lot!
Alan

---------- Post added 08-30-16 at 11:34 PM ----------

Thanks a lot.
Alan

08-31-2016, 01:49 AM   #17
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Welcome to the forums, Alan - glad you could join us

I'll also leave you to the advice you're already getting... I'm neither a D810 nor K-1 user, so there are more qualified advisors than me
08-31-2016, 05:33 AM   #18
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QuoteOriginally posted by C_Jones Quote
The shortcut to motocross done with K-1 thread is below:

https://www.pentaxforums.com/forums/190-pentax-k-1/328166-pentax-k-1-does-mot...mx-racing.html

---------- Post added 08-30-16 at 06:34 PM ----------

The shortcut to horse racing done with K-1 thread is below.

https://www.pentaxforums.com/forums/190-pentax-k-1/326010-pentax-k-1-does-some-horse-racing.html

---------- Post added 08-30-16 at 06:37 PM ----------

Shortcut to more motocross done with K-1 (full set by Karl Knipser) images below.

Motocross | Flickr

Question - I've always characterized Pentax AF (I have K-3 and K-5) as sufficient for when you want to capture some action (as your links amply prove) but when you are tasked with capturing decisive action, i.e., the winning motocross rider as he does a nac nac over the finish line, or the winning horse in a photo finish, Pentax AF is not always reliable.

Does the K-1 AF change this in any way?
09-01-2016, 12:06 AM   #19
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QuoteOriginally posted by johnmflores Quote
Question - I've always characterized Pentax AF (I have K-3 and K-5) as sufficient for when you want to capture some action (as your links amply prove) but when you are tasked with capturing decisive action, i.e., the winning motocross rider as he does a nac nac over the finish line, or the winning horse in a photo finish, Pentax AF is not always reliable.

Does the K-1 AF change this in any way?
Thats an important info from you.
Thanks.

Actually I use the nikon.
But, next week I'll test a K-1 set and will see.
;-)

Greetings
Alan

09-01-2016, 04:08 AM - 1 Like   #20
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QuoteOriginally posted by johnmflores Quote
Question - I've always characterized Pentax AF (I have K-3 and K-5) as sufficient for when you want to capture some action (as your links amply prove) but when you are tasked with capturing decisive action, i.e., the winning motocross rider as he does a nac nac over the finish line, or the winning horse in a photo finish, Pentax AF is not always reliable.

Does the K-1 AF change this in any way?
Sorry for butting in, I wanted to add my 2c worth having had the opportunity to compare action shots with the K5 and the K-1.

I've been to three motocross, one motorcycle road racing event and one airshow with the K-1 recently and shot at motorcycle road racing and airshows with the K5. I've also taken images of surfers with both. I won't claim to be an expert, but have had the opportunity to compare.

The K-1 is an improvement over the K5 for taking action photos. It can be good enough to capture 6+ images in a row in focus, including on the Z axis. It might lose focus for the money shot (which is I assume the basis of your question) as I've had sequential images in focus, then one out of focus then the focus catches up for more shots. So, I've had the AF work really well and also drop off the subject. It's hard to tell if this is due to my technique, the camera or other factors like somebody's boofhead coming into frame. It's likely that a combination of all these exist though unlike the K5, I've had no real desire to shoot manual focus whilst using the K-1 for action photographs. The camera AF is much better even for the slower SDM lenses like the DA*300. I've never used let alone owned a K3 so I cannot comment on the AF differences between the K3 and K-1.

I've been looking at what others are doing for action photography, both Pentaxians and photographers of other systems. And one thing I'd have to say that will contribute to the K-1 being a less than stellar action camera is not having access to areas where the best images can be captured when at a venue/track etc. Don't get me wrong, less than 5 frames/second and the small buffer are a pain and I'm not interested in shooting in crop mode or jpegs to work around this. But if I had access to the same locations as the event photographers my success rate would increase.

I say this as I've had to stay on the spectator side for all my K-1 action shots at racing events. The latest being an MX track where 90% of the circuit is behind a 6 foot fence. I'm 5' 6" so this was particularly challenging as were the thousands of other people there to see the racing. There was one spot where I could set up and capture a jump but even this orientation meant the backdrop was a big tree so the camera AF was challenged more than say the event photogrpaher that stood in the way of several shots whilst he waited to cross to the inside of the track. Grrr! Still, it's his job so fair enough.

A back to back comparison at the same event will give you a definitive answer, but really when Canon/Nikon produce cameras that specialise in this area it is not unreasonable to expect they will be better suited for this type of photography and the logcial choice to get that money shot. Of course, when our mobile phones are shooting 8k video in a couple of years maybe we'll look back on this discussion and think: 'How quaint?'

Tas
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