The SZ 300mmPRO Reflex F7.1 MF CF, SZ 600mmPRO Reflex F8 MF CF and SZ 900mmPRO Reflex F11 MF CF are fully manual lenses, which adopt a catadioptric-type optical design. These types of lenses are commonly called reflex or mirror lenses. These lenses come in 300mm, 600mm and 900mm focal lengths, and are exclusively designed for APS-C mirrorless cameras. They incorporate integrated mounts for Sony E, Canon EF-M, and FUJIFILM X. Thanks to a catadioptric optical design these lenses are very light weight and super compact. These products allow 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. • EASIER FOCUS : Focus assist functions like focus peaking will help to find the sharpest focus point. • LESS SHAKING : In-build multi-axis advanced image stabilization systems of mirrorless cameras will make you forget about blurred images due to hand shaking. • NO SLOW SHUTTER ANY MORE : Newest mirrorless cameras featuring advanced wide ISO settings can offer photographer choosing faster shutter speed with minimum pixel noises on the image. • The Tokina SZ PRO series is compatible with APS-C Sony E, Canon EF-M, FUJIFILM X mount cameras through an integrated mount design. This mount design allows one to maintain stable rendering quality, and makes attaching or removing the lens easier. • The Tokina SZ PRO series provides 270° focus rotation angle, that allows precise focusing operations within a shallow depth of field. • Focal length : 900mm • Aperture (F) : 11 • Lens construction : 7 lenses in 7 groups • Angle of view : 1,8° (Sony E - Fujifilm X), 1,7° (Canon EF-M) • Minimum focus distance : 261cm • Dimensions Diameter x length : ø96,1 x 168mmm • Weight : 725gr • Filter diameter : ø86mm