Pixco Pro Focusing Infinity Speed Booster Focal Reducer Optical Glass Lens Adapter Canon FD Lens to Fujifilm X-A5 X-A20 X-A10 X-A3 X-A2 X-A1 X-T2 X-E3 X-E2S X-E2 X-E1 X-T100 X-T10 Camera Increase exposure to 1 stop, and you can use faster shutter speed to shoot an image. Works fine, closely combined with the bayonet smooth, like the original lens. Full manual operation, manual focus, manual iris adjustment can be achieved with body manual exposure, aperture priority exposure, combined infinite focus. Note: You must set the camera to "Shooting without lens" mode to ON before use. Compatible with: Canon FD Lens, Fujifilm X-A5 X-A20 X-A10 X-A3 X-A2 X-A1 X-T2 X-E3 X-E2S X-E2 X-E1 X-T100 X-T10 X-T1IR X-T1 X-T20 X-H1 X-M1 X-Pro1 X-Pro2 Camera.