0.72x Focal Reducer Speed Booster Adapter for Canon FD mount lens to Fujifilm X mount camera FX - X-Pro1 T1 fisheye lens For using Olympus Evolt series

For using Olympus Evolt series Four Thirds 4/3 mount DSLR cameras with all M42 (42mm x 1

Color temperature (C

Blackmagic Micro Cinema Camera(BMMCC) and Blackmagic Micro Studio Camera 4K(BMMSC 4K)

For using Fujifilm X mount mirrorless digital cameras with all Contax Yashica C/Y mount manual lenses

In order to avoid the damage of product caused by incorrect use

0.72x Focal Reducer Speed Booster Adapter for Canon FD mount lens to Fujifilm X mount camera FX - X-Pro1 T1 fisheye lens For using Olympus Evolt series0. 72x optical glass lens adapter for using Fujifilm X mount APS C digital cameras with Canon FD mount lenses. Works fine on new FD mount (black lock), not good at old FD mount (silver lock). Reduces focal length to 0. 72, adjust the image size to near 1: 1, so that the focal length of the image is close to actual focal length of the lens, e. g. 50mm x 1. 5 x 0. 72 = 54mm. Helps to increase the maximum aperture to 1 stop, also can use it faster by 1