• Allow Contax G mount lenses used on Sony E NEX/Alpha camera body.

• Compatible with Sony E NEX/Alpha camera includes: Sony NEX-3, NEX-3C, NEX-3N, NEX-5, NEX-5C, NEX-5N, NEX-5R, NEX-5T, NEX-6, NEX-7, NEX-C3, NEX-F3, NEX-VG10, a7, a7R, a9, a3000, a3500, a5000, a5100, a6000, a6300, a6500, a7S, a7 II, a7S II, a7R II, a7R III etc.

• Made of brass and aluminum. Stable, precise and durable construction. Manually operated. Infinity focus allowed.

• For heavy medium format lenses, we suggest to use with a telephoto bracket and a tripod to balance its weight when shoot.

• 30 Days No Reason Return, 12 months quality guarantee, 100% satisfaction assurance.