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SIGMA
SIGMA 202-306 10-20mm f/3.5 EX DC HSM camera lens for Nikon F
Ultra-wide 10-20mm zoom with constant f/3.5 aperture for Nikon F-mount DX cameras
- PartSLR Lenses
- TypeWide Angle Lens
- ColorBlack
- Diameter82 mm
- CompatibilityNikon
- Focus TypeAuto Focus
- Ultra-wide 10–20 mm zoom captures expansive landscapes and interiors
- Constant f/3.5 aperture maintains exposure across the zoom range for indoor shooting
- 24 cm minimum focus distance enables close-up detail throughout the range
- HSM autofocus delivers quick, quiet focusing for stills and video
- 82 mm filter thread accepts standard screw-in filters for creative control
Wide-Angle Zoom for Nikon DX
The Sigma 10-20mm f/3.5 EX DC HSM is a wide-angle zoom lens built for Nikon F-mount DX-format cameras. It covers an equivalent focal range of 15-30mm, making it suitable for landscape, architecture and interior photography. The constant maximum aperture of f/3.5 provides consistent exposure throughout the zoom range. An internal focusing system keeps the front element from rotating, which helps when using the supplied petal hood.
Constant f/3.5 Aperture and 82 mm Filter Thread
The fixed f/3.5 maximum aperture offers usable speed for indoor shooting and low-light conditions without needing to adjust exposure while zooming. The lens accepts 82 mm filters via its front thread. Minimum aperture reaches f/22 for extended depth of field. Close focusing down to 24 cm delivers a maximum magnification of 1:6.6 for detail work.
Optical Construction and Coating
The optical design uses 13 elements arranged in 10 groups to control distortion and aberrations across the 102.4 to 63.8 degree angle of view. A super multi-layer coating suppresses flare and ghosting in high-contrast scenes. The seven-blade diaphragm produces a rounded aperture for smoother background blur. The lens weighs 1.71 kg and features a bayonet-mount plastic hood that locks in a transport position.
Highlights
- Ultra-wide 10–20 mm zoom captures expansive landscapes and interiors
- Constant f/3.5 aperture maintains exposure across the zoom range for indoor shooting
- 24 cm minimum focus distance enables close-up detail throughout the range
- HSM autofocus delivers quick, quiet focusing for stills and video
- 82 mm filter thread accepts standard screw-in filters for creative control
Specifications
| Brand | SIGMA |
|---|---|
| Model | 10-20mm f/3.5 EX DC HSM |
| Part | SLR Lenses |
| Type | Wide Angle Lens |
| Color | Black |
| Diameter | 82 mm |
| Compatibility | Nikon |
| Focus Type | Auto Focus |
| Focal Length | 20 mm |
| Aperture | Maximum: f/3.5 Minimum: f/16 |
| Camera Mount | Nikon F |
| Filter thread (Diameter) | 82 mm |
| Specifications | Lens Construction: 13 Elements in 10 Groups Angle of View: 102.4 - 63.8 degrees Number of Diaphragm Blades: 7 Blades Minimum Aperture: F22 Minimum Focusing Distance: 24cm / 9.4" Maximum Magnification: 1:6.6 Dimensions Diameter 87.3mm x Length 88.2mm/ 3.4" x 3.5" |
| Image Stabilization | Yes |
| Autofocus | Yes |
| Features | (Vignetting will occur if the lens is used with 35mm SLR cameras or digital cameras with image sensors larger than APS-C size.) The maximum aperture of F3.5 is ideal for indoor shooting and it enables photographers to emphasize the subject. Two ELD (Extraordinary Low Dispersion) glass elements and a SLD (Special Low Dispersion) glass element provide excellent correction of color aberration. Four aspherical lenses provide correction for distortion and allow compact and lightweight construction. The Super Multi-Layer coating reduces flare and ghosting. High image quality is assured thr |
| Weight | 1.71 |
| Shipping weight | 0.84 kg |
| Package size | 140 × 121 × 118 mm |
Questions about this item
Will this 10-20mm f/3.5 lens cover the full frame of my older Nikon film SLR?
Vignetting will occur if the lens is used with 35mm SLR cameras or digital cameras with sensors larger than APS-C size, so it is designed for DX-format Nikon F-mount bodies only.
How can I verify the autofocus is functioning correctly after mounting the lens?
The HSM autofocus motor should drive focus silently and quickly; check that the focus distance scale moves smoothly from the 24 cm minimum focus distance through to infinity at both 10 mm and 20 mm zoom positions.
Does the box include an 82 mm filter or do I need to buy one separately?
The lens accepts 82 mm filters via its front thread; a filter is not included and must be purchased separately, while the supplied bayonet-type plastic tulip hood attaches directly to the lens barrel.
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