I imported this but never ended up using it, so I've kept it sealed. The new product from Beastgrip, the "DOF Adapter MK3," a lens adapter that transforms your smartphone into a professional camera. Beauty like a movie There's no other tool that can create a unique cinematic look reminiscent of classic Hollywood films by achieving a shallow depth of field. The "DOF Adapter MK3" makes videos shot with a smartphone look like they were filmed on film. Use SLR/DSLR lenses with your smartphone The "DOF Adapter MK3" allows you to use full-frame SLR/DSLR lenses with your smartphone, unlocking a wide range of creative possibilities.