Sigma 30mm f/1.4 DC DN Contemporary Lens (Sony E)

Sigma 30mm f/1.4 DC DN Contemporary Lens (Sony E-Mount)
The Sigma 30mm f/1.4 DC DN Contemporary is a fast, exceptionally versatile normal-length prime lens engineered for APS-C format Sony E-mount mirrorless cameras. Delivering a practical 45mm full-frame equivalent focal length, this lens strikes a perfect balance between everyday convenience and high-end optical performance.

As a standout entry in Sigma’s Global Vision Contemporary line, it pairs an ultra-bright f/1.4 maximum aperture with an incredibly compact and lightweight chassis. This configuration makes it an absolute favorite for street photography, environmental portraiture, low-light documentation, and professional vlogging where shallow depth-of-field separation is key.

INCLUDED ACCESSORIES
Front Lens Cap

Rear Lens Cap

Dedicated Lens Hood

Ultra-Bright f/1.4 Aperture & Elite Aberration Control
Natural 45mm Equivalent Field of View: Provides a normal-length perspective that closely mirrors the human eye, making it an effortless walkaround choice for capturing portraits, landscapes, food photography, and daily snapshots.

Bright f/1.4 Maximum Aperture: Excels in extremely low-light conditions, allowing you to maintain fast shutter speeds without relying heavily on high camera ISO settings. It grants extensive, precision control over your focus position for striking shallow depth-of-field separation.

Advanced Aspherical & High-Refractive Glass: Outfitted with a pair of aspherical elements alongside a single high-refractive index element. This optical configuration works to dramatically minimize linear distortions, spherical aberrations, and color fringing for tack-sharp clarity and edge-to-edge definition.

Super Multi-Layer Coating: Optical surfaces feature Sigma’s layered multi-coating to suppress ghosting and internal surface reflections, guaranteeing contrast-rich, color-neutral imagery even when framing subjects in harsh backlighting.

Rounded 9-Blade Diaphragm: Built with a nine-blade circular iris configuration that yields an incredibly smooth, creamy, and organically rounded background blur (bokeh) when employing selective focus techniques.

Quiet Autofocus & Thermally Stable Architecture
Near-Silent Stepping AF Motor: Driven by an agile stepping focus motor that delivers fast, precise, and nearly silent autofocus tracking. This whisper-quiet performance benefits both photographers and videographers, allowing for smooth focus transitions that won’t bleed operational noise into your microphone audio tracks.

Thermally Stable Composite (TSC) Barrel: Fabricated using a specialized Thermally Stable Composite (TSC) material alongside traditional metals. This allows the lens structure to maintain strict mechanical precision and tight tolerances across drastic temperature fluctuations.

Hardened Brass Bayonet Mount: Outfitted with a high-rigidity brass bayonet ring for superior mounting accuracy and long-term durability.

Weather-Sealed Rubber Gasket: Features integrated protective rubber sealing at the lens mount flange to shield the lens-to-camera interface against invading dust, moisture, and outdoor debris.

Technical Specifications
Focal Length: 30mm (45mm Full-Frame Equivalent)

Maximum Aperture: f/1.4

Minimum Aperture: f/16

Lens Mount Type: Sony E-Mount (Optimized for APS-C Sensors)

Filter Thread Diameter: 52mm

Minimum Focus Distance: 11.8″ / 30 cm

Maximum Magnification Ratio: 1:7

Lens Optical Formula: 9 Elements in 7 Groups (2 Aspherical, 1 High-Refractive Element)

Autofocus System Drive: Stepping AF Motor

Diaphragm Blades: 9 Rounded Blades

Weight: Approx. 9.3 oz (265 grams)