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DPChallenge Forums >> Hardware and Software >> Focusing problem
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AuthorThread
 03/02/2010 03:26:09 PM · #1
I have a Nikon D300 and an AF-S Nikkor 400mm f2.8 G ED VR Lens when i hav been trying to take photos recently i cannot get it to focus I hear the motor in the lens but no focus . Can anyone tell me what is wrong they are both 8 months old.

Cheers

Ian
03/02/2010 03:27:20 PM · #2
did you ck the AF/M click on the side of the camera...sometimes I overlook that...also, take the lens off and then re-mount it again...sometimes it's just not quite on right

Message edited by author 2010-03-02 15:27:44.
 03/02/2010 03:29:59 PM · #3
Originally posted by Birder1:
I have a Nikon D300 and an AF-S Nikkor 400mm f2.8 G ED VR Lens when i hav been trying to take photos recently i cannot get it to focus I hear the motor in the lens but no focus . Can anyone tell me what is wrong they are both 8 months old.

Cheers

Ian


Excellent, perfect timing for the Fine Art Challenge :)

..

Actually sorry to hear about that, but what the heck, give it a go, you might get something amazing with it..
 03/02/2010 05:21:02 PM · #4
Where is the butoon you are talking about?

Ian
 03/02/2010 05:43:47 PM · #5
The switch is on left side of lens.



Originally posted by Birder1:
Where is the butoon you are talking about?

Ian
03/03/2010 02:08:32 PM · #6
Thanks i have it set on MA is that ok?

Cheers

Ian
 03/03/2010 09:54:16 PM · #7
Originally posted by Birder1:
Thanks i have it set on MA is that ok?

Cheers

Ian


M/A is correct for autofocus. M is for manual.

Is the switch on your body also set to autofocus?
ETA: If you're holding the camera like you normally would for taking a horizontally oriented photo, the switch for this is going to be on the lower left side of the lens, right up against the body. It's a smaller switch- here's a photo

It should be on either C (continuous) or S (single) depending upon your preference. M is manual.

Does the lens focus at all, is it searching, or is there no response to focus the lens?
Another thing that may have happened is if you switched the focus function away from your shutter switch to, say, the Fn button or the AF-ON button.

Message edited by author 2010-03-03 21:58:28.
 03/04/2010 05:11:27 PM · #8
Hi again.

There is no focusing at all but i now think it is the contacts on the D300 and not the lens at all, as my D2Xs works on the lens ok.

Ian
 03/04/2010 09:10:21 PM · #9
Originally posted by Birder1:
Hi again.

There is no focusing at all but i now think it is the contacts on the D300 and not the lens at all, as my D2Xs works on the lens ok.

Ian


Here's a good thread about cleaning D300 contacts- Thread

Regardless, I'd definitely try checking what functions you have ascribed to the shutter button/ testing to see if the AF-ON button will focus. At least it isn't your lens though...

Message edited by author 2010-03-04 21:10:50.
 03/05/2010 05:19:06 PM · #10
Hi again,

Neither of the buttons work AF/ON or shutter release, i am going to Nikon Head Office on Friday to get it sorted it is only 7 months old i think i will get them to exchange it for a new body.

Thanks

Ian

P S I will let you know how i get on
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