Sigma AF 4.5mm f/2.8 DC HSM Fisheye - Canon

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product overview
product overview
  • Canon EF Mount/APS-C Format
  • 7.2mm (35mm Equivalent)
  • Aperture Range: f/2.8 to f/22
  • One SLD Glass Element
  • Super Multi-Layer Coating
  • 180° Angle of View
  • Circular, Distorted Image
  • Hyper Sonic Motor AF System
  • Six-Blade Diaphragm

The Sigma 4.5mm F2.8 autofocus circular fisheye lens in Canon EF-S mount 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.

Key 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 1:6
- 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

  • MPN - 4486954
  • GTIN - 0085126486549
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Focal Length4.5mm
Lens typePrime lens
Aperture RangeMaximum: f/2.8
Minimum: f/22
Max Format sizeAPS-C/DX
Camera MountCanon EF
Lens FormatAPS-C
Lens mountCanon EF, Sigma SA, Nikon F (FX)
Minimum Focusing Distance5.31“ (13.5 cm)
Focus TypeAutofocus
Minimum apertureF22.0
Diaphragm Blades6
Angle Of View180
Groups 9
Diaphragm Blades6
Motor TypeUltrasonic
Dimensions (DxL)Approx. 3.00 x 3.06“ (76.2 x 77.8 mm)
Diameter76 mm
Length78 mm
Focal Length4.5mm
Dimensions(DxL)76.2 x 77.8 mm
Weight470 g
Filter Thread SizeNot Specified by Manufacturer
ApertureMaximum: f/2.8
Minimum: f/22
Camera Mount TypeCanon EF
Format CompatibilityAPS-C
Angle of View180
Minimum Focus Distance13.5 cm
Maximum Reproduction Ratio1:6
Optical Design13 Elements in 9 Groups
Diaphragm Blades6
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What’s In The Box

Sigma AF 4.5mm F2.8 EX DC Circular Fisheye Lens - Canon Mount

  • Lens Hood

  • Front and Rear Lens Caps

  • 24 months Australian Warranty from CR Kennedy


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