If you're focusing manually, try 'live view on' and use the Zoom (+) back panel, top right. If you're auto focusing set the focus points view on and make sure the point of interest gets a little red box before you snap the shot.
More generally (sorry if I'm teaching you to suck eggs here) if you are using manual or aperture priority higher numbers give a broader depth of field and crisper focus at the center.
Camera shake and motion blur can also make an image less crisp. If you think this is the problem than faster shutter speeds and a lens with image stabilisation and a tripod can all help.
Finally, the auto focus can have problems with low contrast, smoke/mist or reflective surfaces.
Comments
If you're focusing manually, try 'live view on' and use the Zoom (+) back panel, top right.
If you're auto focusing set the focus points view on and make sure the point of interest gets a little red box before you snap the shot.
More generally (sorry if I'm teaching you to suck eggs here) if you are using manual or aperture priority higher numbers give a broader depth of field and crisper focus at the center.
Camera shake and motion blur can also make an image less crisp. If you think this is the problem than faster shutter speeds and a lens with image stabilisation and a tripod can all help.
Finally, the auto focus can have problems with low contrast, smoke/mist or reflective surfaces.
Hope that helps.
Unfortunately lots of budget lenses have "front focusing" and/or "back focusing" issues.
This may help:
The video doesnt start till after 31 seconds, so dont freak out.
PS-Sorry about it being a Nikon video. I just grabbed the first one I could find.