The Raspbery Pi Cam V2 seems to have some issues with the focus.
Smart solution:
Enhance Your Camera!
The tiny wrench can be used to adjust the lens for better pictures.
BIG 3D preview: https://www.shapeways.com/model/3dtools/4710640/0/6?key=b83b4ebce43bec9f756cdf4b00ebb571
BETA VERSION! Please tell me if You could provide the exact dimensions for this Cam