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.
Product Identifiers
Brand
Sigma
MPN
486955
EAN
0085126486556
eBay Product ID (ePID)
101790038
Product Key Features
Mount
Nikon AF
Focal Length
Fixed/Prime, 4.5mm
Type
Fisheye
Focus Type
Auto & Manual, Fixed/Prime
Dimensions
Depth
7.8cm
Item Weight
470g
Additional Product Features
Diameter
7.6cm
Focal Length (mm)
4.5mm
Camera Type
Slr
Product Line
Sigma Ex
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