Question about Nikon D3 D300 D700

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I have a Nikon D3s with an intermittent fault - when I press the Af-On button to focus or the shutter button half way there is no display in the viewfinder and I am unable to activate the shutter by pressing the shutter button all the way. If I turn the camera off and back on again it works. This first happened in January, several times on a shoot and then yesterday - for a period of about 30 minutes I had to keep turning the camera on and off again. Any help appreciated

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  • Bart Pulverman May 11, 2014

    Hi louiseregist, I want to help you with your problem, but I need more information from you. Can you please add details in the comment box?

    Did you try a new fully charged battery? You said that this happened for about 30 minutes. Did the camera start to work correctly after that time or was that the end of your shoot?

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Posted on Jan 02, 2017

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SOURCE: nikon d40

Take the lens off and continue pressing the shutter untill it doesn't react anymore, you should then have a normal menu without the error message.Put your lens on and you're all sorted.Cheaper and less hassle than sending it to Nikon.
olly

Posted on Jun 01, 2008

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SOURCE: nikon d40 autofocus

Dan62, your camera will never be able to focus on objects with no contrast. The manual specifically states this. However, you can put the AF marker over something with some contrast, half press the shutter, so that it will focus, hold the shutter button halfway while you recompose the shot, and then press it all the way.

A note to others using the D40/D40X/D60 that are having problems with autofocus: please remember that this camera will not autofocus with mechanically driven lenses. It will only AF with "AF-S" or "AF-I" lenses.

Posted on Sep 05, 2008

  • 1 Answer

SOURCE: faulty nikon d40

I removed my lens and put it back on making sure that the aperture ring was set properly, that did it. The second time, I locked the aperture ring back in to its proper place and it worked fine.

Posted on Oct 11, 2008

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SOURCE: Nikon D40 will not focus when shutter pressed 1/2 down

has the lens stuck up? put it temporarily on 'M" and try to turn the focus ring. this should be freely turning;

otherwise you may want to check the camera body to lens electrical contacts (silver).. a small dab of alcohol to a q-tip.. make sure its not that wet..then try to clean the contacts.

Posted on Feb 09, 2009

  • 1 Answer

SOURCE: "Err" appear in the viewfinder and LCD display

i have a Orite Mv 3115-Real Dv Mpeg4Vga resolution 30 FPS Digital Veidio Camera. no the problem that the battery of my camera down and i sent that with my friend to bay a new for me unfortunatly he miss that on travel so i need to fins a new battery for that
i hope sir you can healp me to find one and a charger too

Posted on Feb 15, 2009

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Why when i press my shutter halfway it does not focus ?


Make sure the A-M switch on the lens is set to A for autofocus.

Also make sure the AE-L button is set to on (pg 144 of your manual) in your menu's otherwise the half-press of the shutter won't allow it to focus.

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My Nikon Nikkor 18-135mm f/3.5-5.6G ED-IF AF-S for Digital SLR lens does not seem to auto focus well. Sometimes the lens will focus and unfocus and refocus constinely. Is this normal??


You did not say which camera body you are using, but you probably have three different auto-focus modes on you camera. You might be using the wrong one.

The modes are as follows:
AF-A Mode: Camera automatically selects single-servo autofocus when AF-A subject is stationary, continuous-servo autofocus when subject is moving. Shutter can only be released if camera is able to focus. AF-S Mode: For stationary subjects. Focus locks when shutter-release button AF-S is pressed halfway. Shutter can only be released when in-focus indicator is displayed.
AF-C Mode: For moving subjects. Camera focuses continuously while AF-C shutter-release button is pressed halfway. Photographs can be taken even when in-focus indicator is not displayed.

Dec 19, 2012 | Nikon Nikkor 18-135mm f/3.5-5.6G ED-IF...

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I got this lens (Nikon AF NIKKOR 50mm f/1.4D) for my D3100 and it doesn't autofocus. I don't knowhow to intervene since there's no switch on the lens itself (because I understand it is small and it doesn't...


The D3100 can't autofocus with this lens. The D3100 does not have a focus motor, depending on the lens to have one. The AF-Nikkor 50mm doesn't have a focus motor, depending on the camera to have one.

To autofocus, you need lenses designated AF-S.

Dec 24, 2010 | Nikon Normal AF Nikkor 50mm f/1.4D...

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I have a brand new nikon coolpix s3000. it's on full-time auto focus. Any ideas?


You can change this in the menu while in shooting mode. This is from page 48 of the manual:

Choose how the camera focuses.

A (auto) M d (Shooting menu) M I Autofocus mode

A Single AF (default setting)

The camera focuses when the shutter-release button is pressed halfway.

B Full-time AF

The camera focuses continuously until the shutter-release button is pressed down

halfway. Use with moving subjects. The sound of lens drive movement will be heard

while the camera focuses.

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1 Answer

My nikon d70 wont focus at all


  • Make sure both lens and body are set for autofocus. There are two switches near each other with "AF" and "M" settings.
  • Check the camera's focusing settings, or do a factory reset (from menu) to 'start over'. Usually helps to have AF-Assist on.
  • Try setting the AE/AF-lock button (upper rear, near right thumb when holding camera) to turn on AF. The camera may respond better to this than half-pressing the shutter release.
  • Make sure the lens is fully attached to the camera. You shouldn't be able to rotate the lens without depressing the lens release button, and you should be able see a tight seal between the two.

Jun 23, 2009 | Nikon D70s Digital Camera

5 Answers

Nikon d40 autofocus


Look on the left side of the lens. Make sure the button is on A for auto focus and not M for manual. OR not stuck in the middle. Hopefully that will solve the problem.

Jul 11, 2008 | Nikon D40x Digital Camera

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Nikon D40X stopped auto-focusing yesterday


I had the same problem. My issue was with all my lenses. I solved it by going to the menu and selecting the custom setting menu (pencil icon). Then from the right menu select the AE-L/AF-L and press OK. Then make sure it is set on AE/AF Lock. Presto...all my lenses worked on auto-focus.

Feb 24, 2008 | Nikon D40x Digital Camera

1 Answer

Will not auto focus


"... Autofocus Lock ("AF-L"). Pressing the AF-L (Autofocus Lock) button enables the Nikon F4 to lock the focus. Simultaneous lock of AF-L and AE-L is possible. "'FREEZE FOCUS" - is another great function in the F4. It allows automatic shutter release when subject enters a pre focused distance - available with Nikon MF-23 and/or the 250 exp. MF-24 Multi-Control Back. i.e. with the shutter button fully depressed, the shutter is automatically fired when a subject comes into a preset manually focused position. This function is recommended for sports races because the racing course is usually known beforehand. It also works well in wildlife remote control photography, scientific, forensic and other technical photography. ..."

Nov 11, 2005 | Nikon F4s 35mm SLR Camera

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