• Allow Canon EF lenses used on Canon EOS R mount camera body.
• • Compatible with Canon EOS R mount series mirrorless camera.
• • 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.