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

Sigma 4.5mm F2.8 EX DC Circular Fisheye HSM Lens
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Our Price:  £699.00
List Price:  £859.99
Saving Of:  £160.99 (19%)
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Part Number:  486956
Brand:  Sigma

Sigma


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Beware Sigma lenses bought off EBay and ones that do not come through a UK dealer that has not purchased them from Sigma UK do not come with the warranty. All our Sigma lenses qualify for the 3 Year Warranty.

The first circular fisheye lens exclusively for use with APS-C size digital SLR cameras.

This autofocus circular fisheye lens is designed exclusively for digital SLR cameras with an APS-C size image sensor. It produces circular image with digital SLR cameras. 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, Super Multi-Layer Coating and the inner focusing system creates high image quality. The HSM (Hyper Sonic Motor) ensures fast and quiet autofocusing and allows full-time manual focus override.

The first circular fisheye lens exclusively for use with APS-C size digital SLR cameras

This lens is the first circular fisheye lens designed for APS-C size digital SLR cameras. It produces circular image with a diameter of 12.3mm and angle of view of 180 degree in all directions, making it ideal for capturing 360 degree panoramas.

Equisolid angle projection system

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.

The close focusing capability allows close-up photography

The minimum focusing distance of 13.5cm/5.3inch and maximum magnification of 1:6 make it particularly useful for close-up photography.

F2.8 Large aperture

It is an ideal lens for Astrophotography and Aurora photography. The large depth of field enables photographers to emphasize the subject.

Multi-Layer coatingHigh level optical performance

SLD (Super Low Dispersion) glass provides effective compensation of color aberration. Sigma's Super Multi-Layer Coating minimizes flare and ghosting. It is equipped with inner focusing system that creates high definition and excellent image quality over the whole frame.

 

Hyper sonic motoHSM (Hyper Sonic Motor)

The HSM ensures fast and quiet autofocusing and allows full-time manual focus override by rotation of the focus ring.

*AF will not function if the Pentax camera bodies do not support HSM.

Convenience for photographers

This lens is equipped with a gelatin filter holder at the rear, allowing the use of gelatin filters. The front cap adapter for attachment of the 72mm front cap is included.

Lens Construction

4.5mm F2.8 EX DC CIRCULAR FISHEYE HSM

Specifications

Lens Construction 9Groups 13Elements
Angle of View (for SD1) 180 degree
Number of Diaphragm Blades 6pcs
Minimum Aperture F22
Minimum Focusing Distance 13.5cm / 5.3in
Maximum Magnification 1:6
Filter Size Insertion-type gelatin filter into rear of the lens
Dimensions Diameter 76.2mm x 77.8mm / 3.0in. x 3.1in.
Weight 470g / 16.6oz.

Corresponding AF Mounts

Sigma Canon Nikon Sony Pentax:

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