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Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM Lens

Description

The first Circular Fisheye Lens exclusively for use with APS-C size digital SLR cameras 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 sensors, it produces circular image within the frame. The F2.8 large aperture value produces a bright image in the viewfinder and allows photographers to take pictures in low light conditions, making it an ideal lens for Astrophotography and Aurora photography. Due to the quantifiable angle/area relationship it produces, this lens can be used for scientific and arts applications such as solid angle measurements of cloud distribution over the sky or vegetation distribution of the forest. The minimum focusing distance of 13.5cm/5.3inch and maximum magnification of 1 6 make it particularly useful for close-up photography. SLD Special Low Dispersion glass provides effective compensation of chromatic aberration. Sigma s Super Multi-Layer Coating minimizes flare and ghosting. It is equipped with an inner focusing system that creates high definition and good image quality over the whole frame. The HSM Hyper Sonic Motor ensures fast and quiet autofocusing and allows full-time manual focus override by rotation of the focus ring.

Features

The first 180 degree circular fisheye lens designed specifically for APS-C size digital SLR cameras. Fast F2.8 maximum aperture making it ideal for low light photography. Minimum focusing distance of 13.5cm and a maximum magnification of 1 6x. SLD glass minimizes color aberration. Equipped with HSM with full-time manual focus override. Equisolid angle projection method is possible for art and scientific use.

Specifications

Lens Construction 13 Elements in 9 Groups Angle of View 180 degrees Number of Diaphragm Blades 6 Blades Minimum Aperture F22 Minimum Focusing Distance 13.5cm/5.3 in. Maximum Magnification 1 6 Filter Insertion-type gelatin filter into rear of the lens Dimensions Diameter 76.2mm X Length 77.8mm Weight 470g

Package Contents

Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM Lens

Description

The first Circular Fisheye Lens exclusively for use with APS-C size digital SLR cameras. 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 sensors, it produces circular image within the frame. The F2.8 large aperture value produces a bright image in the viewfinder and allows photographers to take pictures in low light conditions, making it an ideal lens for Astrophotography and Aurora photography. Due to the quantifiable angle/area relationship it produces, this lens can be used for scientific and arts applications such as solid angle measurements of cloud distribution over the sky or vegetation distribution of the forest. The minimum focusing distance of 13.5cm/5.3inch and maximum magnification of 1 6 make it particularly useful for close-up photography. SLD Special Low Dispersiong lass provides effective compensation of chromatic aberration. Sigma s Super Multi-Layer Coating minimizes flare and ghosting. It is equipped with an inner focusing system that creates high definition and good image quality over the whole frame. The HSM Hyper Sonic Motor ensures fast and quiet autofocusing and allows full-time manual focus override by rotation of the focus ring.

Features

The first 180 degree circular fisheye lens designed specifically for APS-C size digital SLR cameras. Fast F2.8 maximum aperture making it ideal for low light photography. Minimum focusing distance of 13.5cm and a maximum magnification of 1 6x. SLD glass minimizes color aberration. Equipped with HSM with full-time manual focus override. Equisolid angle projection method is possible for art and scientific use.

Specifications

Lens Construction 13 Elements in 9 Groups Angle of View 180 degrees Number of Diaphragm Blades 6 Blades Minimum Aperture F22 Minimum Focusing Distance 13.5cm/5.3 in. Maximum Magnification 1 6 Filter Insertion-type gelatin filter into rear of the lens Dimensions Diameter 76.2mm X Length 77.8mm Weight 470g

Package Contents

Front Rear Lens Cap Padded Case Sigma 8mm f3.5 EX DG Guide Plate (used as a pattern for gel filters)

Description

Large aperture F3.5 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. * Full circle can only be captured with full frame 35mm format digital SLR 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.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 (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 color 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 color balance. An ideal lens for scientific applications. 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.

Specifications

Lens Construction 11 Elements in 6 Groups Angle of View 180 degrees Number of Diaphragm Blades 6 Blades Minimum Aperture F22 Minimum Focusing Distance 13.5cm/5.3 in. Maximum Magnification 1 4.6 Filter Size Rear (Gelatin filter) Filter Insertion-type gelatin filter into rear of the lens Dimensions Diameter 73.5mm X Length 68.6mm Weight 400g

Package Contents

Sigma 8mm f3.5 EX DG Front Rear Lens Cap Padded Case Guide Plate (used as a pattern for gel filters)

Description

Large aperture F3.5 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. * Full circle can only be captured with full frame 35mm format digital SLR 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.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 (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 color 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 color balance. An ideal lens for scientific applications. 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.

Specifications

Lens Construction 11 Elements in 6 Groups Angle of View 180 degrees Number of Diaphragm Blades 6 Blades Minimum Aperture F22 Minimum Focusing Distance 13.5cm/5.3 in. Maximum Magnification 1 4.6 Filter Size Rear (Gelatin filter) Filter Insertion-type gelatin filter into rear of the lens Dimensions Diameter 73.5mm X Length 68.6mm Weight 400g

Package Contents

Front Rear Lens Caps Lens Hood Sigma 10mm F2.8 EX DC HSM Fisheye Lens

Description

Fisheye lens with close up ability designed exclusively for use with APS-C size digital SLR cameras. This autofocus fisheye lens is designed for use with digital SLR cameras equipped with APS-C size image sensors. The Nikon version produces a diagonal angle of view of 180 154 for Sigma, 167 for Canon. The diagonal field of view of this fisheye lens produces striking images with exaggerated perspective and distortion. The minimum focusing distance of 13.5cm/5.3inch, and maximum magnification 1 3.3 allows subjects to be as close as 1.8cm/0.7inch from the lens front element. This close focusing capability allows close-up photography and also it is possible to make use of large depth of field that covers wide range of subjects. The Integral hood blocks out extraneous light and the Super Multi-Layer Coating minimizes flare and ghosting, creating superior image quality. The HSM Hyper Sonic Motorensures fast and quiet autofocusing and allows full-time manual focus override by rotation of the focus ring. This lens is supplied with a gelatin filter holder at the rear, allowing the use of gelatin filters.

Features

Fisheye lens designed specifically for APS-C digital SLR cameras. 13.5cm minimum focusing distance and 1 3.3 maximum magnification allows close up photography. Equipped with HSM allowing full-time manual focus override. Equisolid angle projection system is possible for art and scientific use.

Specifications

Lens Construction 12 Elements in 7 Groups Angle of View 154 degrees (180 for Nikon, 167 for Canon) Number of Diaphragm Blades 7 Blades Minimum Aperture F22 Minimum Focusing Distance 13.5cm/5.3 in. Maximum Magnification 1 3.3 Filter Insertion-type gelatin filter into rear of the lens Dimensions Diameter 75.8mm X Length 83.1mm Weight 475g