The Fotodiox Pro TLT ROKR adapters allow for a 10mm shift left and right as well as the ability to tilt 10 degrees one way for perspective correction.'Focus-By-Wire' lenses (such as Canon's STM or Nikons AF-P) requires power to engage the manual focus rings on the lens, since manual lens mount adapters do not power the lens, those lenses will not be able to focus.