Question about Cameras

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My Nikon D-40x has an auto focus that won't auto focus. Becasue it won't focus, it won't take a picture with the lens set to that mode. One day the camera worked fine. I put it up in the closet for about 5 months while working odd hours. Took it down removed it from the case, charged the battery and it just won't work. It died all on it's own....Replaced the battery, same result.

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  • tjhouchins Oct 03, 2008

    My Nikon D-40x has an auto focus that won't auto focus. Becasue it won't focus, it won't take a picture with the lens set to that mode. One day the camera worked fine. I put it up in the closet for about 5 months while working odd hours. Took it down removed it from the case, charged the battery and it just won't work. It died all on it's own....Replaced the battery, same result.

    Perhaps I did not make myself clear. The problem is not with the camera turning on. It turns on just fine. I have been over all of the contact points with contact cleaner on a Q-tip. I have cycled the memory and battery in and out several times and I already tried the trick of the contrast adjustment the manual advises. I have operated this cvamera sucessfuly for over a year. The lens is the nikkor AF-S 18-55mm. It's the one that came with the camera.

    With the lens set to 'auto' the camera will not take a picture. I susp[ect that the onboard computer will not allow it as it is so out of focus. I can take a picture in one of the manual modes and the lens set to the 'manual focus' mode. But, I don't want to go through life missing shots while I focus. Please give me a result beyond the obvious.

  • tjhouchins Oct 07, 2008

    I've recieved 4 emails and you have not been a dimes worth of help. Every thing you have suggested, I already tried and none of the suggestions worked towards solving my problem.



    How do I go about getting my money back as you guarantee?



    I finely broke down and drove the 65 miles to the camera store that sells my brand of camera and found the auto focus portion of the lens is defective.

  • tjhouchins Oct 08, 2008

    Appearntly you are not paying attention!



    I've recieved 4 emails, now 5, and you have not been a dimes worth of help. Every thing you have suggested, I already tried and none of the suggestions worked towards solving my problem.

    How do I go about getting my money back as you guarantee?

    I finely broke down and drove the 65 miles to the camera store that sells my brand of camera and found the auto focus portion of the lens is defective.



    What part of "the lens is defective and you have been no help" don't you understand?

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When you store a unit with a battery even if there is no obvious signs of corrosion at the contacts of the battery terminals doesn't mean that there is none on thecircuit board it'self. if you feel comfotable doing this remove the back cover of camera and look at the main board look for any corrosion on any of the soldered connections or circuit paths.

Posted on Oct 03, 2008

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First thing you have to consider here is moisture getting into the camera's lens mechanism, but it dying will be another angle you may want to check.

First check the battery terminal and contacts, make sure it is not rusted or corroded.

the lens, check if you have it set to "AF-S" and if not please do, you may also want to remove it and check the lens from what is visible to you. look for possible rusted parts, there are many Lens cleaners in the market, most common will be for Nikon or Canon, either way will do.

Now if you have the same result when you use another lens with auto-focus features on the same D40x body, then you may want to look at the issue with the actual body. but first you may want to try working on what can be reached without actually opening the camera...

Hope this helps out. if you have other questions just lemme know.

Posted on Oct 03, 2008

  • marlon john madrid
    marlon john madrid Oct 08, 2008

    for your sake, just click on the contact us link on the lower part of the fixya page...

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The manual specifically states that 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.This camera will not auto focus with mechanically driven lenses. It will only AF with "AF-S" or "AF-I" lenses.

Posted on Oct 03, 2008

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HI,

If your camera won't turn on then please remove the mem card and then insert the battery and see if it turns on.Next clean the contacts of the battery properly.

Let me know the result.

Posted on Oct 03, 2008

  • Priya darshan Oct 03, 2008

    I will give you more troubleshooting steps..

  • Priya darshan Oct 03, 2008

    Polish
    the terminals with a dry cloth and make sure the terminals are clean.
    If the terminals are covered with oil from your skin or similar matter,
    this may cause poor contact and battery power may not be fully supplied
    to the camera.



    Also,
    polish the battery charger terminals with a dry cloth before charging
    the battery. If the terminals are covered with oil from your skin or
    similar matter, this may cause poor contact and the battery may not be
    fully charged.

    If the lens does not extend then it is possible that it has become
    jammed. Sometimes this can cause the camera to sense an error and shut
    itself down immediately after powering on.


    There
    are other explanations for the behavior, but if the lens does not move
    this is the most likely cause. If the lens does extend but then the
    camera shuts right back off it is possible that an inner component such
    as the focusing element is not functioning properly

    One more thing you can do is once try switching over to 2500 mAh Nickel Metal Hydride rechargeable batteries.
    you will see a difference.Digital cameras with zoom lens need more power than what can be supplied by ordinary batteries..

    If you still face the problem then you will have to get it repairedIf this is under warranty replace it or else get it repaired from:

    http://www.advancecamera.com/repair/

    They give:




    • Free estimates.


    • Reasonable rates.


    • Fast, friendly, and personal service.


    • Top quality repairs.


    • Advance Camera 1 Year Warranty.

    If you need anymore help let me know.



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1 Answer

Won't auto focus


Make sure the auto-manual focus switch on your camera is set to auto (A) and also make sure the auto manual focus selector on the lens is in auto (A) as well. If your lens contacts are dirty then this will affect the function of the lens as well. Clean those with either a lint free type cloth and alcohol or methylated spirits.

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My d80 wont take pictures in auto,P,S or A modes. Will click in M mode but no picture. What am I doing wrong? Treied to reset, but still does not work.


The camera will not take a picture in P, S, or A if the camera is in Auto Focus mode - and is unable to focus. Make sure that the Auto / Manual focus switch on the camera body AND the lens are BOTH in an Auto Focus mode. A tip off would be that you do not hear the lens focus motor running while trying to find focus.

If you do hear the focus motor, you may not have sufficient light on the subject for the camera to find a contrast "edge". In this case, the focus motor will hunt from where ever it is all the way in one direction, and then all the way in the other - trying to find focus. You'll need to provide more light or if you have the focus assist lamp (on the front of the camera) enabled - make sure your fingers are not blocking it while 1/2 pressing the shutter.

You can take pictures "all day long" in Manual Focus mode regardless of whether the subject is in focus or not. The lower left corner has a green circle or disc that indicates proper focus. Otherwise, a green triangle shape will be visible close by.

More info on Focus is available here. I hope this helps and good luck! Please rate my reply. Thanks.

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It won't take pictures sometimes. push the shutter button and nothing happens.


The Nikon D40 in Auto Focus mode will only allow the shutter to operate when the image is in focus. When looking through the viewfinder, the bottom edge provides information relative to what you are looking at. See the image below:

steve_con_1.gif

Item 2 is the focus indicator. It must be illuminated to allow the shutter to release. If it is not illuminated, the lens has not been able to determine the correct focus. This can happen when attempting to take a picture in low light conditions. Make sure that the front facing "focus assist lamp" on the camera (between the shutter release and lens) has not been blocked or disabled (Settings Menu # 09) and try again. Many times, you will see and or hear the lens "hunt" for proper focus - the lens will travel from one end of its focus range to the other trying to find focus. When it can't, it stops and prevents the shutter from releasing. You can get around this "unable to focus" issue by changing the position of the switch on the lens to "Manual Focus" mode, detailed below:

If a lens has an "A - M" switch, move it to "M" to manually focus. If the switch says "M/A - M " then leave on M/A (unless you're going to be taking several or more in manual mode), as these lenses may be focused manually at any time in either position. As soon as you tap the shutter button in M/A you return to autofocus.



More advanced lenses, like the 18-200mm, 70-300mm VR and 18-135mm, and any lens with an M/A position, may be focused manually at any time without moving any switches. Leave them in their A or A/M positions.

I hope this helps and good luck!

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1 Answer

My D3100 will not autofocus or take pictures even if the lens is set to Auto Focus. If the lens is set to Manual, all works well. How do I get auto focus to work again


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I got a Nikon D5000 and 18-55mm lens. When I take pictures using focal between 18-24 mm the deep of field is not sharp especially for landscape pictures. I made at list 200 pictures (the same image) test...


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Nikon D50 with Nikon DX 18-55 lens will not focus


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Depending on your location, there are Nikon repair centers in Melville, NY and Torrance, CA.
Hope this helps,
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Ive got the nikon d40. when i take photos close up they are blurred. there r 2 settings on the focus lense one is letter a one letter m. you have to move switch to indicate one or other. camara wont take...


The letters you're referencing is the M/A (manual / auto) focus switch. The lens has this switch and operates in Auto Focus mode when set to "A" and manual focus mode when set to "M".

You have to manually focus on the subject when in letter "M". If you do not, the result will be out of focus. From your description, it sounds like the camera / lens combination is attempting to focus and operate the shutter in auto, and focusing in manual; but due to some type of damage resulting from possible mishandling, exposure to dust, dirt or even moisture is interfering with the successful completion of the process.

You could isolate the problem to determine if the cause is in the lens or camera by simply attaching the lens to another compatible Nikon camera or placing a different auto-focus lens on your D40. The problem will either stay with your D40 or follow the lens when attached to a different camera. It is also *possible* that due to numerous attempts of auto-focusing with your D40 & lens combination, that both the lens *and* the camera have been damaged. If the problem is severe enough, the problem in the failed device could cause failure in the otherwise normally working device, too.

You might be best served by contacting Nikon Service & Support below:

http://www.nikonusa.com/Service-And-Support/Service-And-Repair.page

You also said you lost your manual. You can download the manual for the D40 directly from Nikon in your choice of English, French or Spanish from the link below:

http://support.nikontech.com/app/answers/detail/a_id/14157/session/L3NpZC9YRTgxQVpKag%3D%3D/kw/D40%20manual/p/19%2C334/c/187/r_id/116678/sno/0

Good luck!

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More info below:

http://www.kenrockwell.com/nikon/d80/af-settings.htm

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