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Subject: "Focus point question" Previous topic | Next topic
bobby18301 Silver Member Nikonian since 31st Mar 2008Mon 10-Sep-12 12:18 AM
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"Focus point question"


east stroudsburg, US
          

I have a pair of 800E cameras and they are both doing the same thing. I have my focus switch set to "AF". I am using "AF-S" and "S" (not "Auto"). I mainly keep my focus point in the center. So, here is my problem: too many times I will be focusing on something, the camera is in focus and then all of a sudden as I'm getting ready to depress the shutter button all the way, the focus point starts jumping around all over the place! I keep going in to "custom function" to try to figure out if I have something set wrong but can't figure out what. Any help will be greatly appreciated.

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Replies to this topic
Subject Author Message Date ID
Reply message RE: Focus point question
gpoole Platinum Member
10th Sep 2012
1
Reply message RE: Focus point question
bobby18301 Silver Member
10th Sep 2012
2
Reply message RE: Focus point question
MEMcD Moderator
10th Sep 2012
4
Reply message RE: Focus point question
icslowmo Silver Member
10th Sep 2012
3
     Reply message RE: Focus point question
critidoc Silver Member
10th Sep 2012
5
     Reply message RE: Focus point question
bobby18301 Silver Member
10th Sep 2012
6
          Reply message RE: Focus point question
Henry64 Silver Member
10th Sep 2012
7
               Reply message RE: Focus point question
bobby18301 Silver Member
10th Sep 2012
8
     Reply message RE: Focus point question
mkaplan
10th Sep 2012
9

gpoole Platinum Member Nikonian since 14th Feb 2004Mon 10-Sep-12 01:36 AM
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#1. "RE: Focus point question"
In response to Reply # 0

Farmington Hills, US
          

My guess is that you are bumping the multi-selector with you cheek. Try locking the multi-selecto by rotating the collar so that the dot is next to the L.

Gary in SE Michigan, USA. Co-organizer of the Southern Michigan Chapter
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bobby18301 Silver Member Nikonian since 31st Mar 2008Mon 10-Sep-12 01:49 AM
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#2. "RE: Focus point question"
In response to Reply # 1

east stroudsburg, US
          

Thanks but no, my cheek is never in contact with the multi-selector. It's got to be some other reason.

  
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MEMcD Moderator In depth knowledge in various areas Nikonian since 24th Dec 2007Mon 10-Sep-12 07:51 AM
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#4. "RE: Focus point question"
In response to Reply # 2

US
          

Hi Bob,

As Gary wrote above, locking the Multi-selector should solve your problem.
Good Luck and Enjoy your Nikons!

Best Regards,
Marty

  
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icslowmo Silver Member Nikonian since 01st Jan 2012Mon 10-Sep-12 04:54 AM
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#3. "RE: Focus point question"
In response to Reply # 1

Phoenix, US
          

I agree, I shoot with my left eye with glasses and have had my noise press the multi-selector and changed the AF point... I would try locking it and see if that helps... If not then double check that your not in AF-c mode.... That's all I can come with...

Chris

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critidoc Silver Member Nikonian since 27th Feb 2007Mon 10-Sep-12 09:11 AM
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#5. "RE: Focus point question"
In response to Reply # 3

Kingsville, US
          

I have noticed that when my 800E is in AF-C 3D mode the sensor moves around even though I am not moving (in tripod)and the subject is still. The rest of the AF settings don't do this.

Yes it is supposed to move around with movement to track the subject. but it should stay put if there is no movement. All I can think is that I must be moving the camera enough to alter the focus position.

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bobby18301 Silver Member Nikonian since 31st Mar 2008Mon 10-Sep-12 10:31 AM
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#6. "RE: Focus point question"
In response to Reply # 5

east stroudsburg, US
          

As I stated, I am not in continuous focus mode.

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Henry64 Silver Member Nikonian since 13th Jan 2008Mon 10-Sep-12 05:27 PM
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#7. "RE: Focus point question"
In response to Reply # 6

DK
          

Save your current settings on a memory card and do a factory reset, if the camera behavies normal after that, then you'll know that you messed something up in the settings. You can then restore your settings and see if you can find the "mistake".

Setup menu -> Save/load settings -> save settings.

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bobby18301 Silver Member Nikonian since 31st Mar 2008Mon 10-Sep-12 05:30 PM
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#8. "RE: Focus point question"
In response to Reply # 7

east stroudsburg, US
          

OK. That makes sense.
Thanks.

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mkaplan Registered since 04th Apr 2012Mon 10-Sep-12 07:45 PM
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#9. "RE: Focus point question"
In response to Reply # 3

Kitchener, CA
          

I agree with Chris. Try to lock the focus adjustment using the collar lock switch. My nose hits it without my even realizing it. If it still moves at least you will be sure that is not the reason and if after you lock it, it stops moving then you will have found the problem.

Michael Kaplan
http://www.pbase.com/mkaplan

  
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