55-250mm Telephoto Zoom Lens help

[tina1138]

I can not get a sharp image with this lens no matter what I do.

please can someone help me.

I tried taking pictures of some birds this morning and they are not sharp at all.

I used a tripod too.

thanks.Tina

[tina1138]

I will take your advice and watch the videos. thanks for you quick response and all your help.

Tina