Sigma 8mm f/3.5 EX DG Circular Fisheye for Nikon
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Description
This circular fisheye lens produces circular images with an angle of view of 180° when attached to a full-frame digital SLR or 35mm film SLR camera. It has a fast maximum aperture of F3.5 and a minimum focusing distance of 13.5cm. Sigma’s super multi-layer coating and Special Low Dispersion (SLD) glass provide excellent image quality for digital and film SLR cameras.
Auto-focus system
This circular fisheye lens produces circular images with an angle of view of 180°and also incorporates an auto focus system to achieve accurate focusing that might be difficult through the camera`s viewfinder due to the extremely large depth of field.
Close-up Photography
This circular fisheye lens has a minimum focusing distance of 13.5cm (5.3") and a maximum magnification of 1:4.6 making it particularly useful for close-up photography.
Excellent optical performance
Special Low Dispersion (SLD) glass offer effective compensation of colour aberration.
Reduction of flare and ghosting
Sigma’s super multi-layer lens coating reduces flare and ghosting, a common problem with digital cameras and also creates an optimum colour balance.
An ideal lens for scientific applications
Due to the quantifiable angle/area relationship it produces, this lens can be used for scientific applications.
- Construction: 6 Groups /11 Elements.
- Angle of view: 180°.
- F stop range: 22 - 3.5.
- Closest Focusing Distance: 13.5cm.
- Maximum Magnification: 1:4.6.
- Filter Size: rear slip-in gelatin.
- Dimensions: (Length x Diameter) Length 68.6mm X 73.5mm.
- Weight: 400g.
Features
- Bag/Case size (not supplied): Lens Case 1s
- Dimensions for Lenses: 73.5 x 68.6 mm
- Weight (g): 400g
- Type: Fisheye, Fixed Focal Length
- Lens Fitting: Nikon F (FX)