- With this adapter, you can use Pentax Auto 110 Lens on Fujifilm X mount camera body. - Although the lens will fit physically, automatic diaphragm, auto-focusing, or any other functions will not operate correctly while using this adapter. - Allows focus infinity. - Material: aluminium and brass. - Lens lock / release and stop screw. - Please installing / uninstalling the adapter after turning off the camera. - Fine finishing! Install, remove and operate lens smoothly! Suitable for: - Lens: Pentax Auto 110. - Camera: Fujifilm X-Pro1, X-Pro2, X-M1, X-A1, X-A2, X-A3, X-A10, X-E1, X-E2, X-E2s, X-T1, X-T2, X-T10. Not suitable for S2Pro / S3Pro / S5Pro DSLR camera or other X-series prosumer digital camera. Package - 1 x Lens Adapter.