Sigma | Sigma 8mm f/3.5 EX DG Circular Fisheye Lens
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Large aperture F3.5 circular fisheye lens with close up capability, optimized for use
with digital SLR cameras.

This circular fisheye lens produces circular images with an angle of view of 180°when attached to a full-frame digital SLR or 35mm film SLR camera. It has a fast maximum aperture of F3.5 and a minimum focusing distance of 13.5cm (5.3"). Sigma's super multi-layer coating and Special Low Dispersion (SLD) glass provide excellent image quality for digital and film SLR cameras. The special fisheye design allows maximum creative expression.

* Full circle can only be captured with full frame 35mm format digital SLR and film SLR cameras.

Auto-focus system

This circular fisheye lens produces circular images with an angle of view of 180°and also incorporates an auto focus system to achieve accurate focusing that might be difficult through the camera`s viewfinder due to the extremely large depth of field.

Reduction of flare and ghosting

Sigma's super multi-layer lens coating reduces flare and ghosting, a common problem with digital cameras and also creates an optimum color balance.

 

F3.5 maximum aperture

This lens is perfectly suited for low light conditions indoors or at dusk.

Close-up Photography

This circular fisheye lens has a minimum focusing distance of 13.5cm (5.3") and a maximum magnification of 1:4.6 making it particularly useful for close-up photography.

An ideal lens for scientific applications

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. 

Excellent optical performance

Special Low Dispersion (SLD) glass offer effective compensation of color aberration. 

Gelatin Filter Holder

A holder at the rear of the lens accepts gelatin filters.

 

Lens Construction 11 Elements in 6 Groups
Angle of View 180º
Number of Diaphragm Blades 6
Minimum Aperture f22
Minimum Focusing Distance 13.5 cm / 5.3 in
Filter Size (mm) Insertion-type gelatin filter into rear of the lens
Maximum Magnifications 1:4.6
Dimensions
(Diameter x Length)
73.5mm x 68.6 mm/2.9in x 2.7 in
Weight 400g / 14.1 oz.
Corresponding Mounts
Sigma EX
DG 
Nikon EX
DG 
Canon EX
DG 
   
HSM -Hyper-Sonic Motor
EX - EX Lens
DC - DC for Digital

* Nikon Mount: Does not have aperture ring
 
* Nikon Mount: NO built in motor lens: NOT compatible with D40, D40x, D60, D3000, D5000

* The appearance, specifications, and the like of the product are subject to change for improvement without notice.

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