Overview

The Canon Serenar 100mm f/4 II is a compact, all-metal lens (355g) with smooth mechanics and a Cooke Triplet design. Optically, it is sharp but requires contrast and warmth adjustments in post-processing (MFlenses). Bokeh is pleasant (MFlenses), though wide-open vignetting is noticeable on full-frame digital but correctable. Its closest focus is 5 feet, and the aperture ring turns with the focus ring, complicating handling. Best suited for mirrorless users who enjoy vintage character and don't mind post-processing.