- Lens construction: 16 elements in 12 groups, with 2 FLD elements, 2 SLD elements and 3 aspherical elements
- Internal focusing
- Compatible with high-speed autofocus
- Stepping motor
- Compatible with lens-based optical correction
* Function available on supported cameras only. Available corrections may vary depending on the camera model. - Nano Porous Coating
- Super Multi-Layer Coating
- Water and oil repellent coating (front element) Focus Mode Switch
- Support DMF, AF+MF Petal-type lens hood
- Simple dust- and splash-proof design
- Designed to minimize flare and ghosting
- Every single lens undergoes SIGMA’s proprietary MTF measuring system “A1” 9-blade rounded diaphragm
- High-precision, durable brass bayonet mount
- ‘Made in Japan’ craftsmanship
Focal Length . 28 mm – 70 mm
Minimum Aperture . F22
Lens Construction 16 elements in 12 groups
Angle of View (35mm) 34.3°
Number of Diaphragm Blades 9 (Rounded diaphragm)
Minimum Focusing Distance 38 cm / 1.5 in
Maximum Magnification . 1:3.3
Filter Size 62 mm
Dimensions Diameter: 72.2 mm × 101.5 mm / 2.8 in × 4.0 in
Weight 470 g / 16.6 oz
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Sigma CONT. 28-70mm f2.8 DG DN Lens SONY Lens Cover Back Cover Case
This item features a 7 year Canadian warranty offered by Gentec International in Canada only. Sigma lenses have a 1 year international warranty. Warranty registration is required within 30 days of purchase to validate the Canadian Warranty. Customers must register online at www.gentec-intl.com


















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