| Lens Specifications | |
|---|---|
| Name | Carl Zeiss 21mm f/2.8 Distagon T* 2.8/21 |
| Image Circle | 35mm |
| Type | Wide Prime |
| Focal Length | 21mm |
| APS Equivalent | 1.5x: 31.5mm |
| Max Aperture | f/2.8 |
| Min Aperture | f/22 |
| Diaphragm Blades | |
| Lens Construction | 16 elements in 13 groups |
| Diagonal Angle of View(Based on image circle) | 90 degrees |
| Focus Details | Manual focus only |
| Front Element Rotation | No |
| Zoom System | n/a |
| Closest Focus | 0.22m / 8.7 in. |
| Magnification Ratio | 0.2x / 1:5 |
| Filter Size | 82mm |
| Dimensions(Length x Diameter) | 109mm x 87mm / 4.3 in. x 3.4 in. |
| Weight | 600g / 21 oz. |
| Notes | Available SLR mounts: Canon EF-Mount (ZE), Nikon F-Mount (ZF, ZF.2), Pentax K-Mount (ZK). Nikon ZF.2 version includes CPU interface for autoexposure and EXIF lens info. Lens shade included. |
| Typical Online Price | US$1,550 |
