Sigma 10 - 20 mm DC lens
Published Feb 14, 2005
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dpreview staff
Pre-PMA 2005: The second of three DC (digital SLR only) lenses announced by Sigma today is the 10 - 20 mm F4.0 - F5.6 EX DC HSM, an interesting super wide-angle lens which would provide 15 - 30 mm equiv. on a 1.5 FOV crop camera (such as the Nikon D70). This lens also features Sigma's HSM (HyperSonic Motor) for high speed silent focusing with manual focus override.
Press Release:
Sigma 10-20mm F4.0-5.6 EX DC HSM
Super wide-angle zoom lens designed exclusively for digital SLR cameras
- It covers a superwide angle of view 102.4°to 63.8
- Three pieces of Special Low Dispersion (SLD) elements and three aspherical lens
elements produce top quality optical performance
- Inner focusing system ensures the length of the lens remains unchanged whilst
controlling aberrations
- Equipped with HSM (Hyper Sonic Motor) system
- Minimum focusing distance of 24cm (9.4”) at all focal lengths
- Relatively compact, lightweight for an ultra wide-angle zoom lens
Sigma Corporation is pleased to announce the launch of the new 10-20mm F4-5.6 EX
DC HSM lens.
10-20mm F4-5.6 EX DC HSM lens allows enjoyment of super wide-angle photography
and it is a very powerful tool for indoor shooting and landscape photography with
APS-C size image sensors of digital SLR cameras.
Wide angle of view (102.4°at 10mm and 63.8°at 20mm) offers the photographer greater freedom of expression. Three SLD glass elements are employed for effective compensation of color aberration,
which is a common problem with super-wide angle lenses. One piece of glass mold and
two hybrid aspherical lenses, offer excellent correction for distortion, as well as all types of aberration.
Sigma 10 - 20 mm F4.0 - F5.6 EX DC HSM lens specifications
| Focal Length |
10 - 20 mm |
| Minimum Aperture |
F22 |
| Lens Construction |
14 Elements in 10 Groups |
| Angle of View |
102.4° - 63.8° |
| Number of Diaphragm Blades |
6 pieces |
| Minimum Focus Distance |
24 cm (9.4 in) |
| Maximum Magnification |
1:6.7 |
| Filter Size |
77 mm |
| Lens Hood |
Petal Hood |
| Dimensions (dia x len) |
84 mm (3.3 in) x 81 mm (3.2 in) |
| Weight |
TBD |
| Lens mounts |
Canon, Sigma, Nikon |
In stock
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Feb 3, 2008
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Jan 31, 2008
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Jan 31, 2008
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Jan 31, 2008
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