The SZX 400mm f/8 Reflex MF Lens for Micro Four Thirds from Tokina is a 400mm catadioptric optical design super telephoto lens with a fixed f/8 aperture, which offers a compact alternative to standard telephoto lenses. It's lightweight and compact design fits easily inside a pocket or small bag and is suitable for travel, wildlife, and outdoor photography.

The SZX 400mm f/8 reflex lens features a T-Mount design, making it easily adaptable to a wide variety of camera systems. This lens includes a Micro Four Thirds-mount adapter.

Manual focus catadioptric optical design telephoto lens with fixed f/8 aperture, which is compatible with select camera focus peaking systems and in-body multi-axis advanced image stabilization systems.

Multi-layer anti-reflection coating for efficient light intake and reduced flare, plus high-reflectivity silvered coating and a protective antioxidant layer on the back side of mirrored surfaces for long performance life.

Minimum focusing distance of 45.27" and magnification 0.4x can capture small objects, while the 400mm focal length reduces the possibility of casting a shadow on the subject

Catadioptric design and construction creates a smooth and unusual donut-shaped bokeh

Wide focus ring provides smooth rotation range of 270°