Sigma 30mm F1.4 DC DN Contemporary Lens for Fujifilm X Mount (OPEN BOX)

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F1.4 Maximum Aperture — Low-Light and Bokeh
F1.4 admits over twice the light of F2 and over four times the light of a typical F2.8 zoom at the same focal length — making the difference between a shaky handheld shot and a clean one in dim restaurants, museums, galleries, and indoor events. At F1.4, the depth of field on an APS-C sensor is shallow enough for subject-separating background blur — creamy, smooth bokeh that gives images a distinctly professional look. Stop down to F2–F4 for optimal sharpness with more depth of field for street and travel work.

45mm Full-Frame Equivalent — Natural Normal Perspective
On any Fujifilm X-mount APS-C body, the 30mm focal length renders a 45mm full-frame equivalent — close to 50mm, the focal length that most closely matches human visual perception. The result is images that feel natural and unforced — not the drama of a wide angle or the compression of a telephoto. An ideal choice for documentary, street, travel, food, and environmental portrait photography where a natural-looking perspective is preferred.

DC DN — Built for Mirrorless, Not Adapted
DC DN means this lens was engineered specifically for mirrorless cameras — the short flange distance and sensor-to-lens proximity of mirrorless bodies are accounted for in the optical and mechanical design from the ground up. The result is sharper corner performance, better telecentricity for modern sensors, and a more compact overall form than equivalent DSLR lenses adapted for mirrorless use.

Stepping Motor AF — Fast, Precise, Near-Silent
The stepping motor autofocus system provides smooth, responsive, and near-silent focus performance — essential for video work where a conventional AF motor's noise would be picked up by an on-camera microphone. Fast enough for street photography and moving subjects, smooth enough for continuous video pulls, and precise enough for accurate stills focus across the aperture range.

Two Aspherical + One High-Refractive Index Element
The 9-element, 7-group optical design incorporates two aspherical elements to control spherical aberration and distortion, and one high-refractive index element at the front that delivers extra optical power in a shorter physical length. The combination results in excellent centre and edge sharpness from wide open, minimal barrel distortion for a prime of this focal length, and controlled chromatic aberration across the aperture range.

Super Multi-Layer Coating — Flare and Ghosting Control
Sigma's Super Multi-Layer Coating is applied to lens elements to suppress flare and ghosting in high-contrast backlit conditions — shooting into the sun, near streetlights at night, or in strong artificial lighting where lesser coatings produce washed-out halos and ghost images. The result is contrast-rich, colour-neutral images even in challenging lighting.

9-Blade Rounded Diaphragm — Smooth Bokeh
Nine rounded diaphragm blades maintain a nearly circular aperture shape even at mid apertures — producing smooth, round out-of-focus highlights (bokeh balls) rather than the polygonal artifacts of lenses with fewer or straighter blades. At F1.4 the aperture is fully open and bokeh is naturally circular; the 9-blade design maintains pleasing bokeh quality as you stop down to F2 and F2.8.

TSC Barrel — Dust and Splash Resistant Mount
The lens barrel and aperture mechanism are constructed from Thermally Stable Composite (TSC) — a material that maintains precision across wide temperature variations and contributes to the lens's compact, lightweight form. The brass bayonet mount features rubber sealing to protect against dust and moisture ingress at the camera-lens interface during outdoor use.

Extra-Long Lens Hood Included
The included lens hood is extra-long for maximum flare rejection and features an anti-reflective coating on its inner surface, a rubber grip texture for easy one-handed removal while shooting, and a bayonet lock that secures the hood firmly in place.

Compact and Lightweight — 275g
At 64.8mm diameter, 73.6mm length, and 275g — the Sigma 30mm F1.4 is compact enough to pair with Fujifilm's smallest bodies (X-T50, X-S20, X-E4) without front-heavy imbalance, while robust enough for daily professional use. The 52mm filter thread accepts standard UV, CPL, and ND filters.

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