Product Information : Lensbaby Control Freak - lens - 50 mm F/2.0 for Pentax K
Manufacturer's product description
The Control Freak is an ideal selective focus lens for tabletop and macro photography. You can compress and bend the lens to find your desired sweet spot, and then lock it in place with the push of a button. Once locked, you can fine focus using the barrel focusing ring and fine tune the tilt with the Control Freak's three metal posts.
Lensbaby Control Freak - lens - 50 mm