Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for Sony Alpha Digital SLR Cameras

Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for Sony Alpha Digital SLR Cameras Review

Categories	Fisheye
Product Code	B001HVP0F6
Product Rating
Price	$799.00
Where To Buy	See More Details
Customer Review	See More Reviews

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Online Sigma 4.5mm f/2.8 EX DC HSM Circular Fisheye Lens for Sony Alpha Digital SLR Cameras

Product Details

• Brand: Sigma
• Model: 4.5mm Sony Mount
• Dimensions: 4.00" h x
  4.00" w x
  2.00" l,
  1.04 pounds
  

Features

• 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
• Equisolid angle projection method is possible for art and scientific use
• Equipped with HSM with full-time manual focus override

• 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
• Equisolid angle projection method is possible for art and scientific use
• Equipped with HSM with full-time manual focus override

Product Description

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. 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 Specifications Lens Construction: 13 Elements in 9 Groups Angle of View:  180 degrees Number of Diaphragm Blades:  6 Blades Minimum Aperture:  F22 Minimum Focusing Distance:  ...

Customer Reviews

Most helpful customer reviews

27 of 30 people found the following review helpful.
Great for equirectangular panoramas
By Steve Mokris
Combined with Nodal Ninja rotating tripod heads, I'm using this lens to produce equirectangular 360deg x 180deg panoramas. Six shots in 60deg increments work perfectly when stitched with Hugin or AutoPano.Limited depth of field is a problem --- I find that typically I have to operate the lens at f/11 or f/16 to get decent full-frame-in-focus results, which necessitates shutter times of > 0.5s indoors, so it's only really useful for static scenes.

0 of 0 people found the following review helpful.
Blurry
By RRMessiah
Perhaps I got a bad lens, but this lens is far too soft for my purposes. Remember, 180 degrees of vision is squeezed into a circle within the rectangular canvas of your camera's sensor (hence circular fisheye).I intended to use this for spherical panoramas for realtime background images, but the clarity is just too low on my D5100. For that purpose, stay away from fisheyes and go wide angle so details are preserved.

1 of 3 people found the following review helpful.
Sigma circular fisheye
By dcard
This product is great except cost. If you don't mind spending around $900 then this lense is for you!!!! If you are budget minded you could get a manual lense far cheaper that produces the same great pics. The only reason for 4 stars is cost everything else is wonderful.

See all 5 customer reviews...

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