Sigma 10mm F2.8 EX DC Fisheye HSM lens
|Short back focus||No|
|Type||diagonal fisheye lens|
|Crop factor||Varies by sensor size|
|Aperture (max/min)||f/2.8 - f/22|
|Construction||7 groups / 12 elements|
|# Diaphragm blades||7|
|Close focus distance||13.5cm|
|Filter diameter||rear (Gelatin filter)|
|Lens hood||built-in petal|
|Angle of view|
|Diagonal||180° (Sony Alpha, Nikon D), 157° (Sigma SD), 167° (Canon)|
The Sigma 10mm f/2.8 EX DC fisheye is a photographic lens manufactured by Sigma Corporation. It is a diagonal fisheye lens. Unlike most fisheye lenses, this lens is designed for digital SLR cameras that do not have a full 36x24mm sensor. This results in a much greater fisheye effect than is possible when a full-frame fisheye lens is used with a smaller sensor.
- "Sigma 10mm F2.8 EX DC Fisheye HSM". Retrieved 2009-08-21.
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