Canon EF 200mm f2L IS USM lens mount_NIkon S Kodak Double X is a

Kodak Double X is a classic black and white film that's usually only available in long reels for motion picture cameras- great if you're making a movie

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Nicely made

doesn't say what it is

Canon EF 200mm f2L IS USM lens mount_NIkon S Kodak Double X is aA fast, sharp professional telephoto lens with an f2 maximum aperture. This lens is much, much larger and heavier than Canon's 200mm f2. 8, but that extra stop makes a real difference in imaging. Fast focusing, effective image stabilzer, and excellent image quality. Light cosmetic wear, most notably a few small scuffs on the tripod foot; optics are clean, with only minor dust. Includes Canon hood, soft cap, and hardcase, plus an aftermarket bayonet