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Optical design
| Format: 35mm SLR
Type: Prime lens
Focusing: Auto Focus (AF)
Lens mounts: Canon EF, EF-S, Canon EF, EF-S, Sony A / Minolta A, Sony A / Minolta A, Nikon F (FX, DX), Nikon F (FX, DX), Pentax K, Pentax K, Sigma SA, Sigma SA
Optical design: 7/6
Features: Fisheye lens | User reviews (0) Photos (0) Tests (0) Owners (2) Views (4337) Average price: $807 |
Specifications:
| Focal length | Max. aperture | Min. aperture | Blades | Min. Focus (m.) | Filter Ø (mm.) | Weight (gr/oz) | Length (mm/in) |
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| 15mm | f/2.8 | f/22 | 7 | 0.15 | 86 | 370/13,1 | 73.5/2,9 |
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Additional information:
The Sigma AF 15mm F2.8 EX DG Diagonal Fisheye
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diagonal angle of view 180°
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max. magnification 1:3.8
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Diameter 65 mm.
The Sigma AF 15mm F2.8 EX DG Diagonal Fisheyeis a fast superwide-angle full-format lens of the diagonal FishEye type. It has been designed for digital full-format cameras, but can be used on film cameras, as well. The super multi-coating optimized for digital cameras decreases flare and halation, and corrects color rendering.
The diagonal FishEye produces a full-frame image with barrel distortion, exaggerated perspective and angle of view of 180°, which is beyond human eye's ability. The lens has a very large depth of field. When used on small-format cameras, it acts as an ordinary superwide-angle lens.
The built-in hood makes it impossible to use screw mount filters. Filters are attached to the rear of the lens. Gelatin filters holder are included with the lens.
Links to online resources:
Posted by: dv Date of publication: 01.11.2010
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