Sigma MC-11 Canon EF to Sony E mount adapter door You can also use it

You can also use it to power other low-draw electronics (like a laptop) or charge phones and tablets with its 5A USB port

Includes original box and manual

It includes a yellow pigskin case

6 is a compact telephoto-design lens that can cover up to 5x7 format

It will not autofocus with the D40

Sigma MC-11 Canon EF to Sony E mount adapter door You can also use itSigma MC 11 adapter for attaching Canon EF lenses to Sony E mount cameras. Excellent cosmetic condition. This sophisticated adapter maintains electronic communication between a suitable lens and camera body, preserving autofocus and electronic aperture functionality. Great build quality and fit.