Carl Zeiss 18mm f/3.5 Distagon T* 3.5/18

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Lens Specifications
Name Carl Zeiss 18mm f/3.5 Distagon T* 3.5/18
Image Circle 35mm
Type Wide Prime
Focal Length 18mm
APS Equivalent 1.5x: 27mm
Max Aperture f/3.5
Min Aperture f/22
Diaphragm Blades
Lens Construction 13 elements in 11 groups
Diagonal Angle of View(Based on image circle) 99 degrees
Focus Details Manual focus only
Front Element Rotation No
Zoom System n/a
Closest Focus 0.3m / 11.8 in.
Magnification Ratio 0.083x / 1:12
Filter Size 82mm
Dimensions(Length x Diameter) 84mm x 87mm / 3.3 in. x 3.4 in.
Weight 470g / 16.6 oz
Notes Available SLR mounts: Canon EF (ZE), Nikon F (ZF, ZF.2), Pentax K (ZK). Lens shade included. Nikon ZF.2 version includes CPU interface for autoexposure and EXIF lens info.
Typical Online Price US$1,450