macro extension for Pi Camera Module V2
I want to use a PI Camera Module V2 to focus on a small object (about 1.5cm x 1.5cm) put close to the lens. Thus, I either need some extension for the tubus (3D printed?) to put between the lens and the camera chip or a small plan-convex lens to put/glue on top of the camera lens.
Has anyone done this before? Where can I get/buy such a tubus or lens?