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Sigma 4.5mm f/2.8 EX DC HSM Lens for Sigma Digital SLR Camera

B&H # SI4528EXDCSI MFR # 486-110 USA
Sigma 4.5mm f/2.8 EX DC HSM Lens for Sigma Digital SLR Camera

Sigma 4.5mm f/2.8 EX DC HSM Lens for Sigma Digital SLR Camera Top View Close Up

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Product Highlights

  • Circular Fisheye
  • Sigma Mount

Price: $899.00

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You Pay: $799.00

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The Sigma 4.5mm f/2.8 EX DC HSM Lens is a spherical fisheye lens that easily captures a full 180° view in all directions, in a circular image. Even the most familiar and mundane of subjects can be portrayed with startlingly fresh new expressions through exaggerated perspectives and unusual distortion effects. It is well suited for academic and technical measurements such as solid angle measurements, cloud cover measurements & virtual reality. 

Having the HSM (Hyper Sonic Motor) incorporated into this lens allows for focusing to be quieter and more responsive. This lens provides the equivalent focal range of approx. 7.2mm when used with a Canon digital SLR camera (*).

DC lenses are exclusively designed for digital SLR cameras. The image circle (rear of lens) is made to match the smaller dimensions used for the image sensor on digital cameras. As a result these lenses are also more compact and lightweight, and are better matched to digital SLR cameras.

The EX lens series denotes excellence of engineering and new technology.
Super Multi Layer (SML) coating reduces ghost and flare.
Special Low Dispersion (SLD) glass provides effective compensation of chromatic aberration.
The HSM (Hyper Sonic Motor) ensures fast and quiet autofocusing and allows full-time manual focus override by rotation of the focus ring.
Performance
Focal Length 4.5mm
Aperture Maximum: f/2.8
Minimum: f/22
Camera Mount Type Sigma SA
Format Compatibility DSLR (APS-C Sensor)
Angle of View 180°
Minimum Focus Distance 5.3" (13.46 cm)
Magnification 0.16x
Maximum Reproduction Ratio 1:6
Elements/Groups 13/9
Diaphragm Blades 6
Features
Image Stabilization No
Autofocus Yes
Tripod Collar No
Environmental
Physical
Filter Thread None
Dimensions (DxL) Approx. 3.0 x 3.1" (7.62 x 7.87 cm)
Weight 1.03 lb (470 g)
Sigma 4.5mm f/2.8 EX DC HSM Lens for Sigma Digital SLR Camera
  • Front & Rear Lens Caps
  • Lens Hood
  • Lens Case
  • Limited 1-Year North and South America Warranty Against Manufacturing and Workmanship Defects.
  • Limited 3-Year U.S.A. Extended Warranty Extension Against Manufacturing and Workmanship Defects.
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