Lens Summary
Brand: Sigma
Also Known As: Sigma 8mm f/3.5 Fisheye
Lens Type: Prime Lens
Format: Full Frame / FX
Focus: Autofocus
Lens Mount: Canon EF, Nikon F, Sigma SA
Release Date: 2008-01-01
MSRP Price: $899
Made in: Japan
Infrared Rating: Good
Production Status: In Production
Lens Description: This circular fisheye lens produces circular images with an angle of view of 180-degrees when attached to a full-frame digital or 35mm film SLR camera. It has a maximum aperture of f/3.5, a minimum focusing distance of 5.5-inches and a maximum magnification of 4.6x. The special fisheye design allows maximum creative expression. Sigma\'s super multi-layer lens coating reduces flare and ghosting, a common problem with digital cameras. The new lens power layout reduces color aberrations. Providing excellent image quality for digital and film SLR cameras. This lens can be used for the scientific applications such as the solid ang
Sigma 8mm f/3.5 EX DG Circular Fisheye Specifications
| Lens Specifications | |
|---|---|
| Lens Type | Prime Lens |
| Focal Length | 8mm |
| Mount Type | Canon EF, Nikon F, Sigma SA |
| Format | Full Frame / FX |
| Compatible Format(s) | 35mm Film / Full-Frame Digital Sensor DSLR (APS-C Sensor) |
| Compatible with Teleconverters | No |
| Maximum Reproduction Ratio | 1:4.6 |
| Optical Stabilization (Image Stabilization) | No |
| Aperture Information | |
| Aperture Ring | Yes |
| Maximim Aperture | f/3.5 |
| Minimum Aperture | f/22 |
| Maximum Angle of View (Full frame or larger format) | 180° |
| Optical Information | |
| Lens Elements | 11 |
| Lens Groups | 6 |
| Diaphragm Blades | 6 |
| Aspherical Elements | SLD glass |
| Focus Information | |
| Focus | Autofocus |
| Built-in Focus Motor | Yes |
| Minimum Focus Distance | 0.14m |
| Distance Information | Yes |
| Accepts Filter Type | Screw-on |
| Physical Characteristics | |
| Weather / Dust Sealing | No |
| Mount Material | Metal |
| Dimensions | 7.37 x 6.86cm |
| Weight | 400g |
| Other Information | |
| Available in Colors | Black |
Lens Construction
MTF Chart
