Sigma 8mm f/3.5 EX DG Circular Fisheye Lens for Canon SLR Cameras 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 F3.5, a minimum focusing distance of 13.5cm (5.5) and a maximum magnification of 1:4.6. 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 angle measurements of cloud distribution over the sky, the vegetation distribution of the rain forest canopy, etc., due to the quantifiable angle/area relationship it produces. This lens has a gelatin filter holder at the rear, allowing the use of gelatin filters. Specifications: Focal Length: 8mmMinimum Aperture: F22Lens Construction: 11 Elements in 6 GroupsAngle of View: 180 degreesNumber of Diaphragm Blades: 6pcsMinimum Focusing Distance: 13.5cm(5.3)Maximum Magnification: 1:4.6Filter Size: Gelatin FilterLens Hood: Petal HoodDimensions: Diameter 73.5mm (2.9)X Length 68.6mm (2.7)Weight: 400g /14.1oz
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Sigma 8mm f/3.5 EX DG Circular Fisheye Lens for Canon SLR Cameras features
- Digitally-optimized, circular fisheye auto-focus lens
- Produces circular images with an angle of view of 180-degrees when attached to a full-frame digital or 35mm film SLR camera
- Maximum aperture of F3.5, a minimum focusing distance of 5.5 inches, and a maximum magnification of 4.6x
- Super multi-layer lens coating reduces flare and ghosting
- Gelatin filter holder at the rear
Sigma 8mm f/3.5 EX DG Circular Fisheye Lens for Canon SLR Cameras best price
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