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Sigma’s 10mm F2.8 EX DC Fisheye HSM lens is a diagonal fisheye which means the distorted scene is shown full frame within the camera’s field of view. The diagonal field of view produces striking images with exaggerated perspective of near subject & extreme barrel distortion of the surrounding areas.
| Lens Construction | 12 Elements in 7 Groups |
| Angle of View | 180º (1) |
| Number of Diaphragm Blades | 7 |
| Mininum 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 | 1:3.3 |
| Dimensions (Diameter x Length) | 75.8 x 83.1 mm/3.0 x 3.3 in |
| Weight | 475g / oz |
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