The Raspbery Pi Cam V2 seems to have some issues with the focus.
Smart solution:
Enhance Your cam!
The tiny wrench can be used to adjust the lens for better pictures.
This is the professional version,- made of steel.
BIG 3D preview:
https://www.shapeways.com/model/3dtools/4710741/1/23?key=342f47c3568e6ef5ee199ae19c0f9aec
BETA VERSION! Please tell me if You could provide the exact dimensions for this Cam
Enhanced version here:
http://shpws.me/MbrB