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.<\/p>\n
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.<\/p>\n
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\nPortrait-length lens is designed for full-frame Sony E-mount mirrorless cameras but can also be used with APS-C models where it provides a 127.5mm equivalent focal length.
\nBright f\/1.4 maximum aperture is particularly well-suited for working in available light conditions and provides extensive control over depth of field for isolating subject matter with selective focus.
\nFive Special Low Dispersion (SLD) elements markedly reduce chromatic aberrations and color fringing for improved clarity and color accuracy.
\nOne aspherical element and four high refractive index glass elements control spherical aberrations and distortion for increased sharpness and accurate rendering.
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\nManual aperture ring can be de-clicked for smooth, silent aperture switching to benefit video applications. Additionally, a dedicated aperture ring lock switch can also be employed to prevent accidental shifting of the aperture setting.
\nBuilt-in Autofocus-Lock (AFL) button which can be assigned additional functions widens the range of operations available on the lens.
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\u062f\u0644\u0627\u0626\u0644 \u0627\u0644\u0645\u064a\u0632\u0627\u062a :<\/strong><\/p>\n\n