Question about Nikon D90 Digital Camera with 18-105mm lens

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When I attempt to use the camera in Auto Focus mode many times I depress the button and nothing happens. The camera is on and I depress the button half way no beeps to focus and when depressed fully nothing happens. I then turn the camera off and twist the camera mode dial and and turn the camera back on and it works again not always but many times.

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Are you using the 50mm lens with aperture ring, if so move to th largest F no and try again.

Posted on Jun 08, 2010

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Does not autofocus


Assuming you've made sure the auto-focus is turned on on both the lens and the camera, remove the lens, turn off the camera. Remove the battery. Wait about a minute. Put the lens back on, turn the camera back on . It's a computer basically. Sometimes it crashes. I've had this happen to me a few times.

Mar 13, 2012 | Nikon D90 Digital Camera with 18-105mm...

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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:

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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!

Jun 13, 2011 | Nikon D40x Digital Camera

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My camera wont take a picture anymore. I push the shutter button down and nothing happens


I have the same problem - it wont take pictures in auto focus mode but will in manual focus?? Help!!

Jan 05, 2011 | Canon EOS 400D / Rebel XTi Digital Camera

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I can't seem to get my autofocus to work on my new Canon T1. The mode dial is switched to full auto, the fous mode switch is on AF, and the Image Stabilizer switch is in the "on" position. When...


Hope I can help with some input to your problem. Let me suggest please that you switch the "mode" dial to "P" for program, check your ISO (I personally shoot ISO 100) and set it for a speed ISO 400 or lower. Most DSLR's use contrast to focus so a mirror, chrome, flat body of water, painted wall especially a white wall are just terrible to get an auto focus on. Also auto focus isn't going to happen in darkness unless you have (for Canon) an external Infrared auto focus assist beam. Also you could be to close to your subject as in attempting to do close up or macro photography and have over extended your lens capabilities.

You aren't doing anything wrong it's just I think that you have fallen into one or all of the above situations that auto focus just can't read being either dark, lacking contrast, or reflective surface or to close to your subject.

I wanted you to get off the full auto so you could enjoy the Rebel and expand on its features shooting in full auto turns it into a very expensive point and shooter. Shooting in "P" you can do what is called Program shift where you actually input settings into the camera before the picture is taken.

That little green dot focus confirmation will work even in manual mode so even though it might look out of focus to you if that dot is green and solid not blinking then it's in focus squeeze the shutter make the shot.

One other bit of information make sure you shut the IS off before mounting the camera on a tripod. if left on it will actually cause more vibration (that took me a while to figure out) have a great day hope this was a help sorry it took three days for me to find you with this problem Robert in Canada

Dec 27, 2010 | Canon EOS Digital Rebel XTI Digital Camera

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The focus is very poor. Repeated pushing shutter


I believe you must had experienced this in Auto mode. This can happen when camera is too close to the object or coz of other problems. Didn't you try manual modes like AV or TV modes ?

Jan 13, 2010 | Canon PowerShot SX10 IS Digital Camera

1 Answer

Auto focus does not work in creative modes


That is a custom function of the camera that can be change back to default with ease. While in one of the creative zones press the menu button and navigate to the 5th and final tab on the top right. 8f5da8f.jpg
This is the Setup menu 2. In this menu, select “Custom Functions (C. Fn)” . This will open a submenu of numbered options. Select #04 and set it to 0: the default AF/AE lock on a half depress of the shutter. 7528356.jpg
That should get your camera back to the expected auto focus with the shutter button.

Mar 09, 2009 | Canon Rebel XT / EOS 350D Digital Camera

1 Answer

I have a Nikon D200 camera. It's now 2 years old and I'm having difficulty with the auto focus. The camera focuses but it comes in and out and I have to depress the shutter several times to get it clear....


the auto focus works on the basis of contrast. If you aim your chosen auto focus square at an item that fills that square with only one color or shade of color light a blank wall or a solid blue sky the camera can't focus because it is trying to compare the contrast in order to focus the camera. try to make sure that you choose an item with contrast to aim your auto focus square on like someones eye and part of their cheek so the camera can see somre contrast to evaluate then focus. Obviously you depress your shutter half way to activate the auto focus let the camera do its thing keeping the shutter half way depressed move your field of vision to where you want it then fully depress the shutter to take the picture. the camera relys on seeing some contrast within your autofocus square in order to auto focus

Jan 14, 2009 | Nikon D200 Body Only Digital Camera

1 Answer

Nikon N55 Won't take picture in Auto Focus Mode?


There was a recall on the N55 due to auto focus problems. You can do a google search or nikon.com email the support team and they will send you the paper. This is what I did, I wasn't charged since I had the correct papers. I, however, used one roll of film and my focus went out again! Mine doesn't even work on manual... If you want to try that maybe you will hae better luck than me. GOOD LUCK!

Apr 28, 2008 | Nikon N55 35mm SLR Camera

1 Answer

Cybershot H7 focus problem


Things to check before you assume it is a mechanical issue-you can get vibration message if flash is disabled, be sure also that the macro mode is not enabled-this is very common on sony cameras to turn on by accident-flower button on camera will put in close up mode and you will get blur make sure no flower is present on lcd screen-if in macro press button on camera w/flower to turn off-also in menu you have continuous and monitor auto focus settings try changing one or the other and see what happens

Mar 18, 2008 | Sony Cyber-shot DSC-H7 Digital Camera

1 Answer

Cybershot 3.2 seems to work fine until you push button to take photo


when i turn the camera on it says turn the power of and on again and the lens cover will not open

Nov 25, 2007 | Sony Cyber-Shot DSC-P52 Digital Camera

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