Hila 2.0x Extender (Doubler) — for Sony Alpha DSLR-A550

Teleconverter with 2.0x magnification designed for Sony mount cameras, doubling the effective focal length of compatible lenses. Preserves electronic communication between lens and camera so metering and Vibration Reduction (VR) continue to function. Intended for use with A series lenses only (not compatible with E series). Optical design retains high resolution and contrast. Quick and easy to attach or remove from the lens. Includes a 10-year warranty.