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  1. #1
    Junior Member

    Problems with auto focus

    I've had my D3400 for about 6 months. Just recently, the auto focus doesn't seem to engage. I push the shutter button half-way down, and nothing happens. This happens on many settings. I wait a few seconds and try again until it works and will take a photo. Any ideas?


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  2. #2
    Senior Member
    Needa's Avatar

    Re: Problems with auto focus

    Welcome to Nikonites!

    What are you trying to take a picture of? What is the lighting like? Better yet post a sample. Have you tried re-seating the lens? Is the vibration reduction off or on? The more detail you provide the easier it will be for other to help.

  3. #3
    Senior Member
    Horoscope Fish's Avatar

    Re: Problems with auto focus

    Quote Originally Posted by Jacume View Post
    I've had my D3400 for about 6 months. Just recently, the auto focus doesn't seem to engage. I push the shutter button half-way down, and nothing happens. This happens on many settings. I wait a few seconds and try again until it works and will take a photo. Any ideas?
    Is there an AF/MF switch on the lens(es) you're using?
    ~ Paul
    ....
    ....
    Primary Weaponolgy :: D750 (OLPF Removed), MB-D10; Sigma 50mm f/1.4 Art, Sigma 35mm f/1.4 Art, Tamron 70-200mm f/2.8 Di VC USD G2, Tamron 24-70mm f/2.8 Di VC USD,
    Nikon 85mm f/1.8G; Yongnuo 568EX, Nikon SB-700; Manfrotto X055PROB, 3-Legged Thing Airhed II... All Stuffed into a Manfrotto Pro Backpack 50
    ....
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  4. #4
    Senior Member
    hark's Avatar

    Re: Problems with auto focus

    Does it have an AF indicator inside the viewfinder? If so, be sure it is lit up which means the subject is in focus. See if it will or won't fire when the indicator light is lit.
    Cindy
    Flickr
    and
    My 2017 Thread
    Where the Spirit does not work with the hand, there is no art
    -- Leonardo da Vinci

    D750, D610, & D7100
    Nikon 14mm f/2.8; Nikon 16mm f/2.8 fisheye; Nikon 85mm f/1.8G; Nikon 105 f/2.8G micro VR; Nikon 180mm f/2.8; Nikon 300mm f/4 AF-S
    Nikon 18-35mm f/3.5-4.5G; Sigma 24-70mm f/2.8; Nikon 70-200mm f/2.8 VRII; Nikon 70-300mm f/4.5-5.6G VR






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