Lens Summary
Brand: Zeiss
Also Known As: Zeiss 21mm f/2.8
Lens Type: Prime Lens
Format: Full Frame / FX
Focus: Manual Focus
Lens Mount: Canon EF, Nikon F, Pentax K
Release Date: 2008-09-18
MSRP Price: $1843
Made in: Germany
Infrared Rating: Good
Production Status: In Production
Lens Description: Carl Zeiss is proud to present the Distagon T* 2,8/21, an ultra-wide-angle lens designed specifically for such tricky shooting moments. It is ideal for architectural, landscape and a wide variety of other applications. It is also ideally suited for shooting HD video due to its wide focus rotation, superb image quality and minimal breathing characteristics. Following the recent release of the Distagon T* 3,5/18 ZE, the new Distagon T* 2,8/21 is now the second Carl Zeiss wide-angle lens on the market and the fourth lens in the ZE product range.
Zeiss Distagon T* 21mm f/2.8 Specifications
| Lens Specifications | |
|---|---|
| Lens Type | Prime Lens |
| Focal Length | 21mm |
| Mount Type | Canon EF, Nikon F, Pentax K |
| Format | Full Frame / FX |
| Compatible Format(s) | 35mm Film / Full-Frame Digital Sensor APS-C |
| Compatible with Teleconverters | No |
| Maximum Reproduction Ratio | 1:5 |
| Image Stabilization | No |
| Aperture Information | |
| Aperture Ring | Yes |
| Maximim Aperture | f/2.8 |
| Minimum Aperture | f/22 |
| Maximum Angle of View (Full frame or larger format) | 90° |
| Optical Information | |
| Lens Elements | 16 |
| Lens Groups | 13 |
| Diaphragm Blades | 9 (rounded) |
| T* Anti-Reflective Coating | Yes |
| Focus Information | |
| Focus | Manual Focus |
| Built-in Focus Motor | No |
| Minimum Focus Distance | 0.22m |
| Distance Information | Yes |
| Filter Information | |
| Filter Size | 82mm |
| Accepts Filter Type | Screw-on |
| Physical Characteristics | |
| Weather / Dust Sealing | Yes |
| Mount Material | Metal |
| Dimensions | 87 x 109mm |
| Weight | 600g |
| Other Information | |
| Available in Colors | Black |
Lens Construction 
MTF Chart
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