TTArtisan 250mm F5.6 Reflex is a compact telephoto manual lens. Due to the characteristics of its catadioptric design, the weight and size can be well controlled. It is designed for the M42-mount. But with an adapter, the lens is compatible with Sony, Fujifilm, Canon, Nikon and other cameras.
This reflex lens's optical design avails a unique circular bokeh effect while also producing rich colors, working together to create images that easily stand out. The lens design incorporates six elements in five groups, which contributes to reduced chromatic aberration.