Blurred image is the result of a lack of proper focus and camera positions are not stable.
I follow the simple guidelines of my favorite books is to get a perfect image sharpness.
Ensure that the photograph is made is always sharp is easy if you follow some simple rules.
As I do, just follow four simple guidelines.
1.
Use a tripod if possible Rule number one is to always use a tripod if you want to take pictures with shutter speeds lower than the focal length range (so 1 / 125 sec for 100mm lens).
It's a bit complicated, but the result is worth it.
Do not raise the mast on a middle tripod because will reduce the stability of a tripod.
2.
Importance of shutter speed The combination options and the aperture, shutter speed is very important.
Use Priority shutter mode and start with a minimum shutter speed of about 1 / 125 sec.
If still too dark, add the ISO setting the camera to make it easier to use shutter speeds.
Also activate mirror lock feature on the camera settings if any.
3.
Lean! If it is not possible to use a tripod, try to hold the camera in other ways.
Lean on pillars, trees, or a wall and bend your arms to his chest as he set the breath.
Be sure to press the shutter slowly, not suddenly.
4.
Stabilization Activate Stabilization feature on the camera, if any.
This feature serves to reduce camera shake when using shutter speeds slower.
However, this feature can not reduce the risk of blurring caused by movement of the photographed object.