【High Quality】Professional manufacturing, exquisite workmanship, this Camera Lens Adapter is made of high quality aluminum alloy, durable, non deformation, also with corrosion resistant and glossy.Extinction method: professional-grade lens matt paint on the inner wall .External coating: black part hard oxidation process, silver part composite plating. | 【Focus】Full manual operation, manual focus, manual adjustable aperture. Can achieve manual exposure with camera body and preferred aperture exposure.We state “It support focus infinity.” because our adapters are designed to be universal which can prevent some lenses from focusing to infinity at the infinity mark. | 【Unique Design】The lens adapter allows you to mount a Leica L39 M39 39mm Mount Lens to a Fuji X Mount cameras. Besides for making financial sense, this allows you to use your favorite lens across different camera platforms, the lens adapter is designed to fit securely to the lens, yet can still be removed easily when not needed. | 【Suitable】Lens: Leica L39 M39 39mm Mount Lens Cameras: Supports Fuji X Mount cameras (Fujifilm X100,X10,X-S1,X-Pro1,X-E1,XF1,X20,X100S,X-M1,X-A1, X-E2,XQ1,X-T1,X30, X100T,X-A2,XQ2,X-T10,X-Pro2,X-E2s,X70,X-T2, X-A3, X-A10, X100F, X-T20, X-E3, X-A5, X-H1, X-T100) Not suitable for Fuji film S2 Pro, S3 Pro, S5 Pro or other Fuji film | 【NOTICE】:Autofocus, automatic aperture and AE metering will be DISABLED. Need to focus manually and set exposures manually. Shoot with manual mode or aperture priority mode. Turn on "Release without lens" mode before use.