The Sigma 30mm f/1.4 DC DN Contemporary is a fast and versatile prime lens for Sony APS-C E-mount mirrorless cameras. With a bright f/1.4 aperture, it excels in low-light conditions and allows creative depth-of-field control for portraits and selective focus shots.
Optical Performance
Sigma designed this lens with two aspherical elements and one high-refractive index element. This optical setup reduces distortion and spherical aberrations, delivering sharp and accurate images. Moreover, a Super Multi-Layer Coating minimizes flare and ghosting, even in strong backlighting.
Autofocus and Video Use
The stepping AF motor provides fast, precise, and nearly silent focusing. This makes the lens an excellent choice for both photography and video recording. In addition, the rounded nine-blade diaphragm creates smooth, pleasing bokeh.
Build Quality
Constructed from Thermally Stable Composite (TSC) material, the lens maintains precision across different temperatures. A brass bayonet mount improves durability and ensures secure attachment. Furthermore, the lens mount includes rubber sealing to resist dust and moisture.
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