a tilt shift lens adapter having an adapter body with first and second body portions configured to provide precision tilting and shifting functions is disclosed . opposite sides of the adapter body are configured to respectively engage a camera and a lens . tilting and shifting are precisely controlled using precision tilting and shifting mechanisms . the tilting mechanism includes a neutral setting for ensuring precise parallelism between the lens and camera flanges when required . the adapter includes a mount to provide good balance and holding strength when heavy lenses are attached . an optional aperture adjustment mechanism manually adjusts lenses having no aperture ring .