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Sigma 4.5mm f/2.8 EX DC Circular Fisheye HSM

 
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Buy the Sigma 4.5mm f/2.8 EX DC Circular Fisheye HSM
4.5mm $910
average price
image of Sigma 4.5mm f/2.8 EX DC Circular Fisheye HSM

(From Sigma lens literature) The Sigma Corporation is pleased to announce the launch of the new 4.5mm f/2.8 EX DC Circular Fisheye HSM lens.

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 f/2.8 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 / 5.3 inch 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.

Features:

  • The first 180 degree circular fisheye lens designed specifically for APS-C size digital SLR cameras
  • Fast f/2.8 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

Sigma 4.5mm f/2.8 EX DC Circular Fisheye HSM User Reviews

9.0/10 average of 1 reviews Build Quality 9.0/10 Image Quality 9.0/10
  • 9 out of 10 points and recommended by (82 reviews)
    Unique and fun.
    You won't like this lens if you don't like the fish eye look.

    Fun lens to use...very wide and a true fish eye view!

    Sample Photos taken with a Nikon D200

    -Lex

    reviewed March 25th, 2008 (purchased for $910)