Offering a compact alternative to standard telephoto lenses, the SZ 500mm f/8 Reflex MF Lens from Tokina is a 500mm catadioptric optical design super telephoto lens with a fixed f/8 aperture. With its lightweight and compact design, it fits easily inside a pocket or small bag and is suitable for travel, wildlife, and outdoor photography. This lens features a universal T-mount, and in this configuration includes an adapter for T-mount cameras.