AT A GLANCE
DESCRIPTION
Optimized for notable image clarity at close working distances, the 70mm f/2.8 DG Macro Art Lens from Sigma is a true 1:1, life-size macro lens well-suited for close-up and macro subjects. As a member of the esteemed Art series of lenses, this short-telephoto prime is also distinguished by its sophisticated optical design that makes use of two FLD elements, two SLD elements, one anomalous partial dispersion/high refractive index element, and two aspherical elements to limit both chromatic and spherical aberrations for high clarity, sharpness, and colour accuracy. A Super Multi-Layer Coating also enhances image quality by suppressing lens flare and ghosting for improved contrast and colour fidelity in strong lighting conditions. Additionally, a rounded nine-blade diaphragm contributes to a pleasing bokeh quality.
Benefiting the imaging assets is a coreless DC motor that offers quick and accurate autofocus performance along with full-time manual focus override. The physical design utilizes Thermally Stable Composite material for durability in a wide range of environments, and a brass bayonet mount also offers rigidity and mounting precision.
SPECIFICATIONS
Focal Length 70mmAperture Maximum: f/2.8 Minimum: f/22Format Compatibility 35mm Film / Full-Frame Digital SensorAngle of View 34.3°Minimum Focus Distance 10.16" (25.8 cm)Magnification 1.0xMaximum Reproduction Ratio1:1Elements/Groups 13 / 10Diaphragm Blades 9, RoundedAutofocus YesFilter Thread Front: 49 mmDimensions (DxL) Approx. 2.79 x 4.17" (70.8 x 105.8 mm)Weight 1.13 lb (515 g)
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