Wellington Photographic Supplies
Sigma 4.5mm f2.8 EX DC Circular Fisheye HSM Lens Click here to see more photos of Sigma 4.5mm f2.8 EX DC Circular Fisheye HSM Lens
Sigma 4.5mm f2.8 EX DC Circular Fisheye HSM Lens
Available in Canon, Nikon, Sony (Minolta), Pentax, Sigma

Brand:Sigma
Price:$1499.00
Shipping Cost:$0.00

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Sigma 4.5mm f2.8 EX DC Circular Fisheye HSM Lens

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$
1499
.00


Price: $1499.00

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.

 

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
3.0 in. X 3.1 in.
Weight 470g/16.6 oz.
Corresponding AF Mounts

Sigma, Nikon, Canon, Sony/Minolta, Pentax