300mm F6.3 Mirror for Canon M (Black)
The Rokinon 300mm f/6.3 ED UMC CS Mirror (Catadioptric) super telephoto lens for mirrorless cameras is ideal for nature, sports, surveillance, and celestial photography. A combination refraction and reflection optical design keeps it compact, light and confortable. Exceptional image quality and contrast is provided by 9 lenses in 9 groups, while the all-surface UMC coating reduces ghosting and flare. Front (58mm) and rear (25.5mm) filter diameters with a removable and easily stored reversible lens hood make this a versatile performer. F/Canon M cameras.