ZEISS Batis 2/40 CF

Reviewers found it very sharp at close and medium distances and well corrected for colour, with pleasing bokeh. Testers also noted that at f/2 and longer distances it is less crisp and lower in contrast than at close range, and that it needs f/2.8-4 for its best landscape performance.

One reported quirk is that at f/2 and long focus distances the aperture does not fully open, so nine-sided highlights can appear. Critics also pointed to the size and price for an f/2 normal lens. AF is quiet and accurate, but not fast enough for demanding action.

Owners value it as a one-lens kit: a natural 40mm view plus near-macro reach for details, food and products. Close-up rendering and colour are frequently praised.

The complaints are softer infinity performance wide open, a large hood and barrel for a 40mm, and occasional focus hunting at very close range unless the limiter is set. Some note that third-party 40mm lenses cost much less.