Description- Sigma 4.5mm circular fisheye f2.8 HSM lens (Canon-Fit)
Sigma 4.5mm lens is the first ever fisheye circular lens for APS-C size
image sensor. The lens furnished with a number of eye catching features, which
distinguish it in the class of fisheye lenses. Sigma 4.5mm is 180° circular
fisheye lens with [MFD] minimum focusing distance of 13.5cm and highest
magnification ratio equal to 1 : 6. The lens is highly appreciated for low light
photography with fast aperture f/2.8. Sigma 4.5mm lens incorporates Hyper Sonic
Motor [HSM] system for soft, quiet and fast auto focus as well as manual focus
override. The lens is furnished with "Special Low Dispersion" [SLD] optical
elements for curbing of aberrations. Super multi layer coating is applied on
optics for ghost and flare reduction, which results in high contrast, high
quality sharp images.
Specifications-Sigma 4.5mm circular fisheye f2.8 HSM lens (Canon-Fit) |
|
| Lens Type | Fisheye lens |
| Min.Focal Length | 4.5 mm |
| Max.Focal Length | 4.5 mm |
| Special Low Dispersion Lens. | Yes |
| Focal Length | 4.5mm |
| Super Multi Layer coating | Y. |
| Reproduction Ratio | 1 : 5 |
| Construction | 13/9 (Elements/Groups) |
| Picture Angle | 180 ° |
| Max.Aperture | F/2.8 |
| Min.Aperture | F/22 |
| MFD (Min.Focus Distance) | 13.50 cm/5.3" |
| Filter Insertion type | Gelatin(Rear Lens) |
| Max.Magnification ratio | 1 : 6 |
| Focus Type | AF/MF. |
| Lens Weight | 470g |
| Diameter x length Approx. | 76.2mm x 77.8mm or |
| Dimension(Diameter x length) | 3.0" X 3.1" |
| Lens Length | 3.1in/77.8mm |
| Lens Diameter | 3.0in/76.20mm |
| Lens cap | Snap-on |
| Lens hood | supplied with the lens |
| Len Fit | Canon |
Kit Content
Sigma 4.5mm F2.8 Fisheye HSM Lens
Sigma rear and front cap
Sigma instruction manuals
Sigma one year Guarantee card
Note: Vignetting observed when
(4.5mm Nikon-Fit) is used with Sigma cameras with image sensors larger than APSC.
