AF will not work, manual shots do not show up on CF card
When I try to shoot a picture in AF mode, the lens keeps moving back and forth trying to focus, but cannot seem to do so. I can take manual pictures, but they just show up as a black image on the playback. I've tried a new memory card. Any suggestions?
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When you depress the shutter button halfway, you are (in fact) activating the focus mechanism.
If in AF mode, you should hear the 'beep' when focus is achieved.
However, bear in mind that the XSi has three focussing modes: Quick mode, Live View, and Manual. There is a difference in how focussing is achieved between the Quick and Live View modes. (see page 102 onwards of the user manual "using AF to focus").
Also, the barrel of the lens will move during the focus operation.
If this does not happen, then there is a definate problem.
Having images in focus despite having no movement on the lens, simply means that the aperture settings are probably small enough to give sufficient depth of field to include your subject.
It sounds like you need a new lens. This particular camera does not have an autofocus motor built in, which means it can only use lenses that have a motor already built in. Look for any Nikon lenses that have the AF-S in their name.
Amazon Search for "Nikon AF-S": http://www.amazon.com/s/ref=nb_sb_noss?url=search-alias%3Daps&field-keywords=Nikon+AF-S&x=0&y=0
This is also a good "general use" lens: http://www.amazon.com/Nikon-18-55mm-3-5-5-6G-AF-S-Nikkor/dp/B000LWJ1ES/ref=sr_1_10?ie=UTF8&qid=1298926690&sr=8-10
Hi, check af mode settings in upper display ;set afs,central af area clean contacts of lens cpu and in body too.Setthemanualfocus modeand check in viewfinder ifthefocus indicatorLEDlight no flashing.Can make focus your camera dont have problem ,the lens may need maintenance (clean) or repair. Greethings!
there is couple of possibilities like wise when you zoom lens manualy and can you heard the hard noise then could be AF unit itself faulty. AF unit gear is gone.
could be AF shaft broken thats why not focusing
could be AF Flex broken thats why not focusing
for that please bring to canon service center
Is the lens moving/focusing? If you switch to manual focus, can you make a shot?
Is it possible that "remote control" mode is selected (the button on top, right, in front of AF button) - in this mode the camera focuses but waits for the remote to shoot - just press the mode button until the LCD shows [S]
Chances are good that it's not your camera, but your lens. In a darker atmosphere, you need a fast lens, meaning you need a lens that has a wide aperture (1.4 to 2.8) I'm guessing you're using a lens thats' 3.5 or larger. (Yes, the larger apertures have the smaller numbers)
If your camera was spending all it's time moving in and out trying to focus, it's probably because there was not enough light for the camera to distinguish a focal point. Same thing happens when you shoot a solid blue sky. No focal point.
Help me understand by telling me what lens you're using and what settings you were using on the camera.