• High-quality precision processing made of copper-aluminum alloy, precise alignment, easy to install and disassemble. The connecting ring and bayonet are connected tightly and smoothly, and there is no looseness, achieving the best protection for the body and lens • Compatible with Fujifilm cameras: Fuji X-A1, X-A2, X-A3, X-E1, X-E2, X-E3, X-M1, X-Pro1, X-Pro2, X-S1, X-T1, • Made of brass and aluminum. Stable, precise and durable construction. Manually operated. Infinity focus allowed. • For heavy medium format lenses, we recommend using a tripod to balance the weight when taking photos. • 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 t