Hi All....I've tried everything I know how (new at this) but for some reason my autofocus stopped working. I'm not sure if I messed up the settings but I'm unable to get it back to where it was. Is there a reset function or can someone advise what to do. Here are the settings: 1) The A/M switch on the lense is set to A, the AF/M lever on the front of the body is set to AF. I swapped the lense to a Quantaray 28-80mm lense and the autofocus works. I have a 4 yr warranty on the system from Circuit City. Should I bring this in for repair?
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Turn the aperture ring to its smallest setting (largest f/number). You control the aperture from the camera body, as on a lens without an aperture ring. Turn the mode dial to M (manual). The camera's exposure meter will not work with this lens. You can use another lens to get an approximate exposure, or take pictures and review them and/or use the histogram to fine-tune the exposure. The camera won't autofocus, of course, but the in-focus indicator in the viewfinder will still light up to indicate proper focus.
The D3100 is newer, for what it's worth. It has LiveView and video capabilities.
The D3100 is intended for beginners, the D80 for more experienced users. The D3100 is easier to learn, the D80 is easier to use once you learn it. The D3100 is lighter, the D80 is more rugged.
The other major difference is that the D3100 does not have an autofocus motor, depending on the lens to have one. This means that some lenses (those not designated AF-S by Nikon) will not autofocus on the D3100 while they will on the D80.
The ultimate decision is up to you. Only you can decide which features are most important to you. Also, if you can, try to get your hands on the actual cameras. See which one feels more comfortable to you.
nikon r09,r11, etc . it mean memory buffer of your camera. memory buffer is a temporary memory for your captured images before it store to memory card. if r00 it mean, you can't take a picture, even 1 picture... that because the camera buffer memory is full. the number of memory buffer will also drop if noise reduction on
I would recommend that you at least let someone at a camera shop take a look at your lens. Or contact Nikon. Here is a list CLICK HERE of Nikon authorized service centers, hopefully you are located near one of these. Or you can call Nikon for some advice. You never know, it may be repairable.
If can live with it as a manual focus lens that probably would be a good solution also. Then you could buy a new lens with the money you would have spent on the repair. Actually you are lucky that the lens can still focus after a fall.
That's just the quirky autofocus of the d80. Try tilting the camera diagonally to focus and tilting back up to shoot.
Unfortunately, autofocus issues like those are the difference between a d80 and a d200/d300 :/