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4.5mm F2.8 EX DC HSM Circular Fisheye Lens For Sigma Digital SLR Cameras *FREE SHIPPING*

4.5mm F2.8 EX DC HSM Circular Fisheye Lens For Sigma Digital SLR Cameras *FREE SHIPPING*view image
SIGMA

SIGMA - 4.5mm F2.8 EX DC HSM Circular Fisheye Lens For Sigma Digital SLR Cameras *FREE SHIPPING*

Item# SIGAFDC45EXS
Mfr Part# 486110

Regular Price $899.00
Instant Savings -$100.00
(Exp. 10/31/2017)

Your Price: $799.00       


Description
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Product Description

The first Circular Fisheye Lens exclusively for use with APS-C size digital SLR cameras.

Sigma 4.5mm is digitally optimised circular fisheye lens designed exclusively for digital SLR cameras with an APS-C size image sensor.

The 4.5mm auto focus circular fisheye lens has an angle of view of 180 degrees in all directions. The 4.5mm fisheye lens is exclusively designed for digital SLR cameras with the APS-C size image sensor. When it is used in conjunction with digital SLRs with APS-C size image sensors, it produces circular image within the frame.

F/2.8 maximum aperture

The fast f/2.8 maximum aperture in Sigma 4.5mm fisheye lens produces a bright image in the viewfinder making 4.5mm lens ideal for low light photography.

Close-up Photography with 4.5mm lens
This 4.5mm circular fisheye lens has a minimum focusing distance of 13.5cm and a maximum magnification of 1:6 making it particularly useful for close-up photography.

Excellent optical performance
SLD (Special Low Dispersion) glass provides effective compensation of chromatic aberration and Sigmas Super Multi-Layer coating minimises flare and ghosting.

High speed auto focus
The 4.5mm lens is equipped with an inner focusing system that creates high definition and excellent 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.

Ideal for panoramic and scientific applications

Sigma 4.5mm lens is ideal for photographers using computer stitching software which requires circular fisheye images to be input, resulting in stitched panoramas. 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.

Major Features:
  • First 180 circular fisheye lens designed specifically for APS-C DSLR cameras 
  • Fast F2.8 maximum aperture making it ideal for low light photography
  • Minimum focusing distance of 13.5cm
  • 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




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