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What is AF on my camera?

My camera wont take pictures, It comes on, zooms..everything..but when I try to snap a picture a red dot and AF comes on the screen whats the problem?

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Re: What is AF on my camera?

A bit more detail would be helpful to diagnose your specific problem: what mode is the camera in, does it do it all the time or only in certain situations.

There are a few situations when the autofocus does not do well: focus too close to the subject, or in a very low light situation, or the subject is gray. Check that you are not affected by any of these.

Otherwise, try to find if there is something wrong with your camera: find someone else with the same camera (or one in a store display), and see if following the same steps gives you the same result.

Posted on Dec 27, 2007

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Hello Winniethe383,
AF stands for "Auto Focus", When you are clicking a snap, the camera is trying to bring the subject into focus and the Red light blinking is to show the status that the camera is busy Focusing.
Please let me know in case you need any further details and I would be glad to assist you further :)


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there is absolutely nothing to worry about. thry may b the dead pixels in your lcd screen.

go on, click ur pictures. they will not show up in the final photographs or the printed ones.

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hi there
just an idea the big multi button with the ok in the middle
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If the dot is not visible in print, but only on the camera's screen, the its only the LCD that is faulty.

If the dot is visible on screens and in print, then yes, it could be the sensor. Try taking pictures without the digital zoom. Chances are the dot is only visible with the digital zoom because the picture is interpolated.

If all else fails, you can try cloning out the spot in an image editor on the computer.

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Malfunctioning of Nikon 2100

I had the same problem.The shutter button is faulty and is always half pressed - auto focus is operational (this is the step before actually the picture is taken. Try to clean it up with some special electrical contact spray. if this does not work - need to replace it - Not a simple job for the novice. You might need to take the camera to a service center for a spare on-off-expose button. I had an old faulty camera where I took the button from it. That solved the problem.

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Jangles, I am having the exact same problem. Have you found a fix ?

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