Sigma 4.5 and 10mm F2.8 EX DC HSM Fisheye
For Sony and Pentax
Launched September 2008
4.5mm F2.8 EX DC HSM and 10mm F2.8 EX DC HSM Fisheye lenses for Pentax and Sony
Large aperture circular and diagonal fisheye lenses for Pentax and Sony digital SLR cameras
- Sigma’s multi-layer lens coating to reduce flare and ghosting
- Fast F2.8 maximum aperture ideal for low light photography
- SLD glass minimises colour aberration
- HSM (Hyper Sonic Motor) motor and full time manual focus
The Sigma Corporation is pleased to announce the launch of the 4.5mm F2.8 EX DC HSM, the first Circular Fisheye lens exclusively for use with APS-C size digital SLR cameras, and the 10mm F2.8 EX DC HSM diagonal fisheye lens for Pentax and Sony fitting cameras.
4.5mm F2.8 EX DC HSM
This autofocus circular fisheye lens has an angle of view of 180 degrees in all directions. It is exclusively designed for digital SLR cameras with the APS-C size image sensor. When used in conjunction with digital SLRs with APS-C size image sensor, it produces circular image within the frame. The minimum focusing distance of 13.5cm and maximum magnification of 1:6 make it particularly useful for close-up photography. SLD (Special Low Dispersion) glass, Super Multi Layer Coating and inner focusing system provides superior image quality.
| Specifications | |
| Construction | 13 Elements in 9 Groups |
| Focal Length | 4.5mm |
| Maximum Aperture | ƒ2.8 |
| Minimum Aperture | ƒ22 |
| Field of View | 180° |
| Minimum Focus Distance | 13.5cm |
| Number of blades | 6 |
| Maximum Magnification | 1:6 |
| Zooming System | N/A |
| Filter Size | Rear Gelatin Type |
| Diameter | 76mm |
| Length | 77.8mm |
| Weight | 470g |
| SRP at launch: | £599.99 |
| Available Mounts: | Sony, Pentax |