Specification :
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A classic portrait-length lens updated for full-frame Sony E-mount mirrorless systems, the Sigma 85mm f/1.4 DG DN is an Art-series prime characterized by its advanced and updated optical design, sleek profile, and bright design. The f/1.4 maximum aperture enables working in low-light conditions and also provides increased control over depth of field for achieving shallow depth of field effects. The optical layout incorporates a series of low dispersion, aspherical, and high refractive index elements and its large diameter design achieves a notable degree of clarity and sharpness with well-controlled distortion and aberrations. Also, a Super Multi-Layer Coating enhances image quality by suppressing lens flare and ghosting for improved contrast and color fidelity in strong lighting conditions.
Balancing the optics is a refined exterior design, which features a physical aperture ring, which can be de-clicked or locked, along with a dedicated focus mode switch and AFL button for intuitive and tactile control. For autofocus, a stepping motor is used that maintains a lightweight and compact design while promoting fast and near-silent focusing performance for both stills and video applications. Additionally, the lens features an 11-blade rounded diaphragm for smooth bokeh quality and the lens housing is also weather-sealed to suit working in inclement conditions.
Lens construction | 15 elements in 11 groups | |
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Angle of view (35mm) | 28.6° | |
Number of diaphragm blades | 11 (Rounded diaphragm) | |
Minimum aperture | F16 | |
Minimum focusing distance | 85cm / 33.5in. | |
Maximum magnification ratio | 1:8.4 | |
Filter size | φ77mm | |
Dimensions (diameter x length) | L-mount | φ82.8mm × 94.1mm / φ3.3in. x 3.7in. |
Sony E-mount | φ82.8mm × 96.1mm / φ3.3in. x 3.8in. | |
Weight | L-mount | 630g / 22.2oz. |
Sony E-mount | 625g / 22.0oz. | |
Edition number? | A020 | |
Accessories | Case, hood (LH828-02) included. |
The three-digit code on the surface of the lens is to indicate the year the lens was first released.
(Since it is different from the year of manufacture, the release year and edition number may not match depending on the mount.)
L-mount | 00-85126-32269-4 |
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Sony E-mount? | 00-85126-32265-6 |
? This product is developed, manufactured and sold based on the specifications of E-mount which was disclosed by Sony Corporation under the license agreement with Sony Corporation.