Canon EF Lens to Sony E-Mount Smart Adapter (Mark IV)

Electronic aperture, EXIF, image stabilization, autofocus

This Smart Adapter^TM has the following features:

• True electronic integration of aperture diaphragm – let camera automatically choose aperture in P or S exposure modes, or dial in yourself on the camera body in A or M modes.
• Powered by camera body. No external power source required.
• Wide open button (opposite of depth-of-field preview function) makes manual focusing easy.
• The tripod foot is detachable and compatible with Arca Swiss, Markins, Photo cam ball heads.
• High performance 32-bit processor and efficient switched-mode power supply.

Enhancement on MARK IV vs. MARK III:

• The new design of inner housing in MARK IV has a bigger inner hole. Improving the Tilt shift lens preformance.
• The inner hole is painted with matt coating. This can further reduce the internal reflection.