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Optical design
| Format: APS-C (crop)
Type: Zoom lens
Focusing: Auto Focus (AF)
Lens mounts: Canon EF, EF-S, Sony A / Minolta A, Nikon F (FX, DX), 4/3 (Four/Thirds), Pentax K, Sigma SA
First year of production: 2003
Last year of production: 2004
Optical design: 8 elements in 8 groups
| | Specifications:
Focal length | Max. aperture | Min. aperture | Blades | Min. Focus (m.) | Filter Ø (mm.) | Weight (gr/oz) | Length (mm/in) |
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18mm - 50mm | f/3.5 - f/5.6 | f/22 | 7 | 0.25 | 58 | 250/8,8 | 60/2,4 |
| Additional information:
The Sigma 18-50 mm f/ 3.5-5.6 DC is a kit zoom lens for DSLR APS-C format cameras.
The DC series is a line of Sigma lenses optimized for digital SLR APS-C cameras.
The lens was announced on October 27, 2003. Since March, 2004 the lens has been produced with the 4/3 bayonet mount.
Links to online resources: PDF Files: Posted by: Nik_SSG Date of publication: 04.01.2013
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