This manual focus telephoto lens offers a fast f/2 maximum aperture for a price of around £380, which seems very good value for a 135mm lens with an f/2 maximum aperture.
Excellent sharpness from maximum aperture; Smooth manual focus action; Good build; Low CA; Low distortion; Good value
Lack of autofocus may be enough to put many off this lens; Loss of contrast when shooting into the light