The SZ 900mmPRO Reflex F11 MF CF is a super compact, fully manual lens, which adopt a catadioptric-type optical design. These lens features 900mm focal lengths, and is exclusively designed for APS-C mirrorless cameras. The Tokina SZ 900mmPRO Reflex F11 MF CF incorporates integrated mounts for Sony E, Canon EF-M, and Fujifilm X. Thanks to a catadioptric optical design this lens is very light weight and super compact. This product allows you to enjoy the world of super tele photography, and is a perfect option for users who are looking for affordable super tele photo lens.