high speed shooting fps...not working

Deiberson · 05-09-2012, 08:40 AM

i must have a setting not turned on. i'm not getting rapid fire in "hi-continuous" mode. any ideas? i'm getting 2 fps at best

Mareket · 05-09-2012, 08:42 AM

IS AF-C turned on? And check the autofocus options in the custom menu. Make sure both are in release priority.

Deiberson · 05-09-2012, 08:50 AM

the camera is in af-c.
the custom menu for af-c is fps priority
and the custom menu for af-s is release.

i'm confused. 2-3 fps at best.

Deiberson · 05-09-2012, 08:56 AM

now it works fine in af-s.
perhaps the af-c is limiting the speed. i just read that in another thread.

i should be able to use a higher fps in af-c though shouldn;'t I?

timh · 05-09-2012, 08:59 AM

Have you turned off all the in-camera processing? (Highlight + shadow correction, etc.)

EDIT:
Oh, OK - if af-s works... not sure, of the top of my head.

Deiberson · 05-09-2012, 09:02 AM

Originally posted by timh

Have you turned off all the in-camera processing? (Highlight + shadow correction, etc.)

I'm shooting raw. is there highlight correction? i realize the raw fps might be a little slower and i realize that af-c might be a little slower it should be faster than 2 fps.

worth noting....i've never had this issue before so i'm thinking i pushed a button somewhere.

and the sd card is 45mbs....if that helps

**TER-OR** · 05-09-2012, 10:06 AM

The card speed shouldn't matter for short bursts - it's going to the buffer. I set up a user-mode for high speed, I turned off everything like highlights etc, and turned off the shake reduction, default shutter speed is 500 and aperture f/8, so I shouldn't need it. It's giving me 6ish with center-focus. What mode are you shooting in? I based mine on TAv.

Mareket · 05-09-2012, 10:14 AM

Yeah I've been playing with my K-5, shooting in AF-C with FPS priority and AF on goes fairly slowly, even if the subject is stationary.

Very odd...

Adam · 05-09-2012, 10:43 AM

Make sure you disable lens correction and shadow/highlight correction.

Mareket · 05-09-2012, 10:48 AM

Shooting in Manual with everything turned off in RAW it's still slightly slower if you hold the AF button down whilst shooting in AF-C, even when it's set to FPS priority.

The focus indicator dot shows though, so I'm assuming it does a basic check between frames to make sure things are still there, and to prepare to move the focus point if the shutter stops firing. That quick check between frames seems to slow it down somewhat. It's still fast, just not as fast as it is when using MF or without pressing the AF button.

Wheatfield · 05-09-2012, 11:24 AM

What was the shutter speed you were trying to shoot at?

Deiberson · 05-09-2012, 11:26 AM

its sports so i'm above 500.

is it normal that its that much faster in af-s rather than af-c? if so...its all good.

Mareket · 05-09-2012, 11:30 AM

Yarr I find AF-S is absolutely fine, but AF-C suffers just a little during autofocus. I've been shooting the church outside, so around 1/200.

obscura · 05-09-2012, 12:53 PM

should be the af priority... dig the menu and find the afs and afc settings... set for fps and release priority.
but if you do that, you risk some pics to be out of focus....

irrelevant with the thread... i tried to fine adjust the focus today... and while testing it, i found that the default settings/tolerances were spot on!
i mean not even 1mm off! it was perfect.... sunlight, tungsten and fluorescent, in every situation it was spot on.. i'm impressed !
in one real life situation i found that the red light is the af enemy... when in red, it was always soft, first time i had to use manual focus.

oops you already said it was in fps and release priority ... sorry
could this be the battery ? is it full or near empty ?

i tried with afs and afc and i get the same fps... no matter if its stationary or moving.

rawr · 05-09-2012, 06:39 PM

The most important thing to do is confirm that you have the latest firmware - you may recall that firmware v1.00 didn't make full use of the K-5's buffer. This was fixed by firmware v1.01, which significantly boosted the buffer capacity of the K-5 under continuous RAW shooting from maximum approx. 8 frames to approx. 20 frames.

Other than that, in general the more work you ask the camera's systems to do, the slower it's image processing and hence fps will be.

So some of the variables in RAW fps may include, as others have mentioned:

- using in-camera corrections (even when shooting RAW, perhaps, as the preview JPG in the RAW file still has to be generated in camera...);

- the write speed of the SD card, and the condition of it's file system (ie fragmented writes may be slower, so freshly formatted SD cards should be faster);

- the ISO level used in the shot (higher ISO generates larger files - hence all fps tests are usually shot using 100 ISO);

- the AF setting - if applicable (eg centre-spot, 11 point, manual focus etc). The more calculations the AF needs to make before getting a lock, the slower the achievable fps;

- the shutter speed used (faster shutter works better than slow);

- the flash setting - if applicable. No flash would probably be faster than using flash at any setting.

Of course the battery level, available power, and quality of the power feed (eg bad contacts or dud batteries) will also play a role in how nimbly and reliably the camera performs.

05-09-2012, 08:40 AM	#1
Deiberson Veteran Member Join Date: Dec 2009 Photos: Albums Posts: 734	high speed shooting fps...not working i must have a setting not turned on. i'm not getting rapid fire in "hi-continuous" mode. any ideas? i'm getting 2 fps at best

05-09-2012, 10:43 AM	#9
Adam Administrator Site Webmaster Join Date: Sep 2006 Location: Arizona Photos: Gallery \| Albums Posts: 51,597	Make sure you disable lens correction and shadow/highlight correction. Adam PentaxForums.com Webmaster (Site Usage Guide \| Site Help \| My Photography) PentaxForums.com server and development costs are user-supported. You can help cover these costs by donating or purchasing one of our Pentax eBooks. Or, buy your photo gear from our affiliates, Adorama, B&H Photo, KEH, or Topaz Labs, and get FREE Marketplace access - click here to see how! Trusted Pentax retailers:

05-09-2012, 12:53 PM	#14
obscura Senior Member Join Date: Apr 2012 Posts: 127	should be the af priority... dig the menu and find the afs and afc settings... set for fps and release priority. but if you do that, you risk some pics to be out of focus.... irrelevant with the thread... i tried to fine adjust the focus today... and while testing it, i found that the default settings/tolerances were spot on! i mean not even 1mm off! it was perfect.... sunlight, tungsten and fluorescent, in every situation it was spot on.. i'm impressed ! in one real life situation i found that the red light is the af enemy... when in red, it was always soft, first time i had to use manual focus. oops you already said it was in fps and release priority ... sorry could this be the battery ? is it full or near empty ? i tried with afs and afc and i get the same fps... no matter if its stationary or moving. Last edited by obscura; 05-09-2012 at 01:11 PM.

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05-09-2012, 08:42 AM	#2
Mareket Veteran Member Join Date: Jun 2011 Location: Chester Photos: Gallery \| Albums Posts: 719	IS AF-C turned on? And check the autofocus options in the custom menu. Make sure both are in release priority.

05-09-2012, 08:50 AM	#3
Deiberson Veteran Member Join Date: Dec 2009 Photos: Albums Posts: 734 Original Poster	the camera is in af-c. the custom menu for af-c is fps priority and the custom menu for af-s is release. i'm confused. 2-3 fps at best.

05-09-2012, 08:56 AM	#4
Deiberson Veteran Member Join Date: Dec 2009 Photos: Albums Posts: 734 Original Poster	now it works fine in af-s. perhaps the af-c is limiting the speed. i just read that in another thread. i should be able to use a higher fps in af-c though shouldn;'t I?

05-09-2012, 08:59 AM	#5
timh Veteran Member Join Date: May 2010 Location: Wales Photos: Gallery \| Albums Posts: 445	Have you turned off all the in-camera processing? (Highlight + shadow correction, etc.) EDIT: Oh, OK - if af-s works... not sure, of the top of my head.

05-09-2012, 09:02 AM	#6
Deiberson Veteran Member Join Date: Dec 2009 Photos: Albums Posts: 734 Original Poster	Originally posted by timh Have you turned off all the in-camera processing? (Highlight + shadow correction, etc.) I'm shooting raw. is there highlight correction? i realize the raw fps might be a little slower and i realize that af-c might be a little slower it should be faster than 2 fps. worth noting....i've never had this issue before so i'm thinking i pushed a button somewhere. and the sd card is 45mbs....if that helps

05-09-2012, 10:06 AM	#7
TER-OR Site Supporter Join Date: Apr 2009 Location: Dundee, IL Photos: Gallery \| Albums Posts: 6,699	The card speed shouldn't matter for short bursts - it's going to the buffer. I set up a user-mode for high speed, I turned off everything like highlights etc, and turned off the shake reduction, default shutter speed is 500 and aperture f/8, so I shouldn't need it. It's giving me 6ish with center-focus. What mode are you shooting in? I based mine on TAv.

05-09-2012, 10:14 AM	#8
Mareket Veteran Member Join Date: Jun 2011 Location: Chester Photos: Gallery \| Albums Posts: 719	Yeah I've been playing with my K-5, shooting in AF-C with FPS priority and AF on goes fairly slowly, even if the subject is stationary. Very odd...

05-09-2012, 10:48 AM	#10
Mareket Veteran Member Join Date: Jun 2011 Location: Chester Photos: Gallery \| Albums Posts: 719	Shooting in Manual with everything turned off in RAW it's still slightly slower if you hold the AF button down whilst shooting in AF-C, even when it's set to FPS priority. The focus indicator dot shows though, so I'm assuming it does a basic check between frames to make sure things are still there, and to prepare to move the focus point if the shutter stops firing. That quick check between frames seems to slow it down somewhat. It's still fast, just not as fast as it is when using MF or without pressing the AF button.

05-09-2012, 11:24 AM	#11
Wheatfield Moderator Join Date: Apr 2008 Location: The wheatfields of Canada Posts: 15,986	What was the shutter speed you were trying to shoot at?

05-09-2012, 11:26 AM	#12
Deiberson Veteran Member Join Date: Dec 2009 Photos: Albums Posts: 734 Original Poster	its sports so i'm above 500. is it normal that its that much faster in af-s rather than af-c? if so...its all good.

05-09-2012, 11:30 AM	#13
Mareket Veteran Member Join Date: Jun 2011 Location: Chester Photos: Gallery \| Albums Posts: 719	Yarr I find AF-S is absolutely fine, but AF-C suffers just a little during autofocus. I've been shooting the church outside, so around 1/200.

05-09-2012, 06:39 PM	#15
rawr Veteran Member Join Date: Jun 2009 Posts: 11,913	The most important thing to do is confirm that you have the latest firmware - you may recall that firmware v1.00 didn't make full use of the K-5's buffer. This was fixed by firmware v1.01, which significantly boosted the buffer capacity of the K-5 under continuous RAW shooting from maximum approx. 8 frames to approx. 20 frames. Other than that, in general the more work you ask the camera's systems to do, the slower it's image processing and hence fps will be. So some of the variables in RAW fps may include, as others have mentioned: - using in-camera corrections (even when shooting RAW, perhaps, as the preview JPG in the RAW file still has to be generated in camera...); - the write speed of the SD card, and the condition of it's file system (ie fragmented writes may be slower, so freshly formatted SD cards should be faster); - the ISO level used in the shot (higher ISO generates larger files - hence all fps tests are usually shot using 100 ISO); - the AF setting - if applicable (eg centre-spot, 11 point, manual focus etc). The more calculations the AF needs to make before getting a lock, the slower the achievable fps; - the shutter speed used (faster shutter works better than slow); - the flash setting - if applicable. No flash would probably be faster than using flash at any setting. Of course the battery level, available power, and quality of the power feed (eg bad contacts or dud batteries) will also play a role in how nimbly and reliably the camera performs.