An extra bonus in the 85mm lens compared with the 50mm ... Bokeh disks are also free of the onion ring effect and remain fairly well rounded out towards the edges and corners of the frame.

Severe chromatic aberration gives a noticeable fringing or a halo effect around sharp ... As regards flare, Samyang lenses are proving to be amongst the best, and this 85mm lens is no exception.

Severe chromatic aberration gives a noticeable fringing or a halo effect around sharp edges within the picture. It can be cured in software. Apochromatic lenses have special lens elements ...

Bokeh disks are also free of the onion ring effect and remain fairly well rounded ... surely the main reason for investing in a fast 85mm prime lens. We run a range of lab tests under controlled ...