The Sony SAL-14TC 1.4x II APO (D) Teleconverter provides full AF compatibility with SSM type lenses (with compatible cameras, e.g. Sony Alpha and Minolta Maxxum 7/5/4/3 or newer). This converter will increase the focal length of the lens by 1.4x, and reduces the lens aperture by approx. 1 f/stop.
NOTE: Due to the high-quality design of this converter (5 elements/4 groups), the teleconverter will only fit and work with a select range of lenses. Only the following Sony or Minolta lenses are compatible:
Note: The following lenses can only be used in Manual Focus mode: