Carl Zeiss lenses are known for their sharpness, color rendition, pleasing "bokeh", low distortion and precision mechanical design. These manual focus 35mm SLR lenses are available for Canon EF-mount (ZE), Nikon F-mount (ZF), Pentax K-mount (ZK) and M42 Screw mount (ZS). See below for all models of Carl Zeiss Z-series 35mm SLR lenses currently on the market.