Release Issued by Sigma:
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
| Minimum Aperture | F22
|
| Minimum Focusing Distance | 13.5cm
|
| Lens Construction | 13 Elements in 9 Groups
|
| Maximum Magnification | 1:6
|
| Angle of View | 180°
|
| Filter Size | Rear Gelatin filter |
| No. of Diaphragm Blades | 6 pcs
|
| Lens Hood | N/A
|
| Weight | 470g
|
| SRP | £599.99
|
| Dimensions | Diameter 76mm x Length 77.8mm |
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10mm F2.8 EX DC HSM
This diagonal fisheye lens is designed for use with digital SLR cameras equipped with an APS-C size image sensor. It produces a diagonal angle of view of 180 degrees. The diagonal field of view of this fisheye lens produces striking images with exaggerated perspective and distortion. This lens has a minimum focusing distance of 13.5cm and maximum magnification 1:3.3. It allows subjects to be as close as 1.8cm from the lens’ front element. The exclusively designed integral hood and the Super Multi-Layer Coating minimize flare and ghosting and create superior image quality.
Specifications
| Minimum Aperture | F22
|
| Minimum Focusing Distance | 13.5cm
|
| Lens Construction | 12 Elements in 7 Groups
|
| Maximum Magnification | 1:3.3
|
| Angle of View | 180°
|
| Filter Size | Rear Gelatin filter
|
| No. of Diaphragm Blades | 7 pcs
|
| Lens Hood | Fixed Petal-type
|
| Weight | 475g |
| SRP | £449.99
|
| Dimensions | Diameter 75.8mm x Length 83.1mm |
*AF will not function if the camera bodies do not support Supersonic Direct-drive Motor or Super Sonic Motor.
