Sigma 8mm f3.5 EX DG

Sigma 8mm f3.5 EX DG Prices, product details, cost, comparisons, online deals, features, photos, buy from Australia
Large aperture F5 circular fisheye lens with close up capability, optimized for use with digital SLR cameras. 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 (5.3”). Sigma’s super multi-layer coating and Special Low Dispersion (SLD) glass provide excellent image quality for digital and film SLR cameras. The special fisheye design allows maximum creative expression. F3.5 maximum aperture This lens is perfectly suited for low light conditions, indoors or at dusk. Close-up Photography This circular fisheye lens has a minimum focusing distance of 13.5cm 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. Ideal for panoramic and scientific applications This lens is ideal for photographers using computer stitching software which requires circular fisheye images to be input, resulting in stitched panoramas. Due to the quantifiable angle/area relationship it produces, this lens can be used for scientific applications such as solid angle measurements of cloud distribution over the sky, or vegetation distribution of the rain forest canopy. Gelatin Filter Holder A holder at the rear of the lens accepts gelatin filters. Lens Construction 11 Elements in 6 Groups Angle to View 180° Number of Diaphragm Blades 6 Blades Minimum Aperture F22 Minimum Focusing Distance 13.5cm Maximum Magnification 1:4.6 Filter Size Rear (Gelatin Filter) Dimensions Diameter 73.5mm x Length 68.6mm Weight 400g