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05-15-2011, 10:53 AM   #1
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catch focus in K-r

Is it possible to do catch focus using a K-r? if so how to do it? I am not sure if this is a right question - since i read about catch focussing in one of the other threads I got interested to try it in my K-r.

05-15-2011, 11:02 AM   #2
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Menu C, screen 3, Item 20. sets catch in focus on/off
05-15-2011, 01:57 PM   #3
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remember to make sure it's on AF-S, and not AF-C or AF-A!
05-15-2011, 02:16 PM   #4
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Catch in focus will not work with the kit lens, It only works with manual focus lenses (or a lens that can be set to manual focus) while the body focus switch is set to AF and focus mode AF-S

Hans

05-15-2011, 04:36 PM   #5
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your still going to need a locking remote for that right?
05-15-2011, 05:32 PM   #6
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What is catch focus? Tried searching on here but couldn't find it.
05-15-2011, 06:43 PM   #7
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QuoteOriginally posted by Iroc Quote
What is catch focus? Tried searching on here but couldn't find it.
ya i couldn't find a ton about it also but it seems that you can focus on a target and then the camera takes a photo when something comes into focus (i think)
05-15-2011, 10:16 PM - 1 Like   #8
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QuoteOriginally posted by Iroc Quote
What is catch focus?
It's an option where the camera takes a photo when the subject comes into focus. I find it most useful when using a manual lens and where the subject is moving.

If you just search the forum, the first few hits should be how to use it. If all else fails just look at your manual.

To summarize whats written above:

1. Menu -> Custom 3 -> Item 20 "Catch in Focus" -> Toggle On.
2. Pop your camera to AF mode.
3. Switch your lens to MF mode if you have an AF/MF lens.
4. Switch your AF mode to AF-S.
5. Compose your photo where you predict your subject will be.
6. Press the button, hold and wait for the subject to come into the frame.
7. Camera fires when in focus.

05-15-2011, 11:52 PM   #9
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QuoteOriginally posted by MagusAku Quote
1. Menu -> Custom 3 -> Item 20 "Catch in Focus" -> Toggle On. 2. Pop your camera to AF mode. 3. Switch your lens to MF mode if you have an AF/MF lens. 4. Switch your AF mode to AF-S. 5. Compose your photo where you predict your subject will be. 6. Press the button, hold and wait for the subject to come into the frame. 7. Camera fires when in focus.
i did all that and i cant seem to get the camera to fire when i hear the beep
05-16-2011, 12:08 AM   #10
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QuoteOriginally posted by Classico Quote
i did all that and i cant seem to get the camera to fire when i hear the beep
Its meant to fire when it beep.

Try using center spot focus point, and test by moving your hand in and out of focus in front of your lens. The shutter release button should be press down fully the entire time.
06-10-2011, 10:24 PM   #11
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Original Poster
QuoteOriginally posted by MagusAku Quote
It's an option where the camera takes a photo when the subject comes into focus. I find it most useful when using a manual lens and where the subject is moving.

If you just search the forum, the first few hits should be how to use it. If all else fails just look at your manual.

To summarize whats written above:

1. Menu -> Custom 3 -> Item 20 "Catch in Focus" -> Toggle On.
2. Pop your camera to AF mode.
3. Switch your lens to MF mode if you have an AF/MF lens.
4. Switch your AF mode to AF-S.
5. Compose your photo where you predict your subject will be.
6. Press the button, hold and wait for the subject to come into the frame.
7. Camera fires when in focus.
Well, in this way can i be able to get the subject in the desired posture? say for example i am pointing toward an empty chair. At the moment the subject comes and sis on the chair the shot all be fired even before he settles down, won't it?
forgive my ignorance if i am not making sense
06-10-2011, 11:19 PM   #12
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QuoteOriginally posted by Classico Quote
i did all that and i cant seem to get the camera to fire when i hear the beep
What lens is it?
It needs to be a manual focus lens or a lens with an AF/MF setting with the setting set to MF.
06-10-2011, 11:43 PM   #13
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QuoteOriginally posted by Bill_R Quote
What lens is it?
It needs to be a manual focus lens or a lens with an AF/MF setting with the setting set to MF.
I only have auto at the moment, but planning to acquire MF lenses shortly!
06-12-2011, 03:28 AM   #14
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QuoteOriginally posted by sany Quote
Well, in this way can i be able to get the subject in the desired posture? say for example i am pointing toward an empty chair. At the moment the subject comes and sis on the chair the shot all be fired even before he settles down, won't it?
forgive my ignorance if i am not making sense
The camera fires when the AF catches/locks. So you might find that your chair is in focus and it will fire on your empty chair or maybe the camera catches on the dudes shirt as he sits down and it fires prematurely.

You just have to practice using it. You could try focusing on the chair then unfocus it a bit, wait for the subject to enter and guide the focus back in gently all while holding the shutter button down. Depending on the shutter speed it might not cause focusing blur. Or just keep the button down and take an array of shots.
06-12-2011, 06:15 PM   #15
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I read about catch-focus in the manual but didn't have a good idea what shots it might apply to until I read a few posts around this forum. Birds in flight with an autofocus lens helped my panning focus problem (somewhat).
I also focused on a bird on the ground (with a manual lens) moved off the bird, pressed the shutter and camera fired when bird took flight across the focus point. Cool.

There is even a menu option to take the "focus function" away from the half press shutter button and assign focus to the AF/AE-L button. I'm learning more about this camera every day.
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