Images not sharp
There are many factors for images not being sharp and exhibiting in many ways.
Lenses
| Back focusing. The focusing is locking on behind the subject |
| Forward focusing. The focusing is locking on in front of the subject |
| Edge to edge focus. The edges of the image will be soft. |
| Softness through out the range. This may be an indication of wear, in need of a calibration or a distortion in the lens assembly |
| The lens needs a focal calibration |
| Worn guide rollers |
| Impact damage |
| Dusty or smudged lens filter |
Lens guide rollers, when theses wear
out it creates sloppiness in the lens
causing resolution issues
Also see camera focal issues