【SHOTEN】 GTE Features: High quality and compact. Made of brass and aluminum (not plastic). 100% Brand New Color: Black Auto Focus for Contax G lens to Sony E mount Suitable for: Contax G mount lens Sony E ： α9 II、α9、α7R IV、α7R III、α7s III、α7 III、α7R II、α7 II、α7c 、α6600、α6500、α6400、α6300、α6100 Note: Only the Sony E camera has the function of Phase Detection Auto Focus(PDAF) can work with this lens adapter like α9 II、α9、α7R IV、α7R III、α7s III、α7 III、α7R II、α7 II、α7c 、α6600、α6500、α6400、α6300、α6100 CONTAX G-E INSTRUCTION When you use this adapter ,it will show the max Aperture of your lens on camera. For example, if your lens is Planar 45mm F2, the aperture will show F2 after using this adapter.
eBay