There are no electrical contacts in the adapter ring. Exposure and focus has to be adjusted manually.
Auto focus (AF) is not available. Infinity focus allowed. Support AV or M mode.
Made of brass and aluminium(not plastic).
Compatible:
Lens: Contax / Yashica (c/y or cy) Lens
Compatible Cameras (Including, but not limited to): Sony Alpha a7, a7r, A5000, A6000, NEX-3, NEX-5, NEX-C3, NEX-5N, NEX-7, NEX-F3, NEX-5R, NEX-6, NEX-VG10, NEX-VG20, NEX-VG30, NEX-VG900, NEX-FS100, NEX-FS700, NEX-EA50.
Notice: This adapter will NOT fit on the Sony a7S, a7 II, a7S II, and a7R II.
Package Includes:
1 X Contax Yashica CY lens to Sony NEX Adapter