Commlite Cm-ef-e Hs - Lens_adapter

This AF adpter built-in USB port for subsequent firmware upgrading, it will let the adapter compatible with more lens and fix possibly exists problems. Furthermore, super fast autofocus speed is a highlight of this product , it own faster and more accurate autofocus function compared to traditional adapter. CM-EF-E HS will provide you extraordinary shooting experience.\n\n- USB Firmware Upgrading\n- Super High Speed Auto Focus Function\n- Phase Detection AF and Contrast Detection AF Switch\n- EXIF Info. Transmitting\n- Electronic Aperture Control\n- Built-in IS Stabilization Function\n- Gold-plated Contact Pins for Great Conductivity\n- Detachable 1/4 Bottom Tripod Base Plate\n- CNC Processing with Aluminum Alloy Made