The Apo-Makro-Planar T* 120mm f/4.0 lens even reaches the extreme image quality level of dedicated Carl Zeiss S-Planar high resolution copy lenses at life-size copying tasks, a unique benefit only available with Contax cameras. A basic type of lens design is chosen that consistently maintains performance characteristics on a high level over a wide range of reduction ratios or distances, from infinity to life-size (1:1).
This lens is based on the Planar lens design type which offers outstanding close-up capabilities. This design has been chosen as the basis for the ultra high resolution Carl Zeiss S-Planar, the most sophisticated lenses available in the world and used in the production of microchips.
The Apo-Makro-Planar T* 120mm f/4.0 lens is aimed at the meticulous close-up photographer that appreciates being in full control of the technical aspects of picture taking, and that expect uncompromising image quality as reward for those efforts. Photographers using the Apo-Makro-Planar are used to performing very careful and well thought placement of focus themselves, and would not use autofocus in their imaging projects. Considering this need from professional photographers and advanced amateurs alike, the Apo-Makro-Planar T* 120mm f/4.0 lens is equipped with a high quality precision mechanism for smooth manual focusing.
The aperture ranges from f/4.0 to f/45 for both a bright viewfinder image and adequate control of depth of field in close-up photography. All aperture settings can be used with truly professional photo results, even wide open. This is due to