Sigma 15mm f/1.4 DG DN Diagonal Fisheye | Art Lens – Sony E-Mount

The Sigma 15mm f/1.4 DG DN Diagonal Fisheye | Art is the world’s first* full-frame f/1.4 diagonal fisheye lens, purpose-built for Sony E-mount full-frame mirrorless cameras. With an expansive 180° angle of view and a bright f/1.4 aperture, it opens up creative possibilities for landscapes, astrophotography, architecture, and expressive portraiture.

Key Features

• 🌌 World’s First f/1.4 Diagonal Fisheye – designed exclusively for Sony E-mount full-frame.

• 📸 180° Angle of View – capture immersive perspectives with dramatic distortion.

• 🔆 Bright f/1.4 Aperture – ideal for astrophotography and low-light shooting.

• 🪐 Astro-Optimised Features – lens heater retainer, rear gel filter holder, manual focus lock.

• 🔍 High-Performance Optics – 21 elements in 15 groups, including 4 FLD and 3 SLD glass elements.

• ✨ Sagittal Coma Correction – sharp star points edge to edge at all apertures.

• 💧 Weather-Sealed Build – dust- and splash-resistant with oil-repellent front coating.

• ⚡ HLA Autofocus Motor – fast, smooth, accurate, and quiet AF.

• 🎥 Aperture Control Ring – can be de-clicked for video and locked for precision.

• 🎒 Detachable Tripod Socket – ensures balance during long tripod exposures.

Professional Optical Performance

The optical design features 21 elements in 15 groups, including:

• 4 FLD (“F” Low Dispersion) elements – minimise chromatic aberrations.

• 3 SLD elements – ensure excellent clarity and contrast.

• Advanced coatings – suppress flare and ghosting for high-contrast results.

Even wide open at f/1.4, the lens delivers pinpoint star rendering and crisp edge-to-edge sharpness, making it a top choice for astrophotography.

Designed for Astrophotographers

Specialised features make this lens a powerful tool for night sky imaging:

• Lens Heater Retainer – secures anti-dew heat strips to prevent condensation.

• Rear Gel Filter Holder – supports gel and soft filters for creative star effects.

• Manual Focus Lock (MFL) switch – locks focus at infinity to prevent accidental changes.

• Special Locking Lens Cap – with storage for two pre-cut filters inside.

Professional Build & Handling

• De-clickable Aperture Ring – switch between tactile stills control and smooth video operation.

• Two Customisable AFL Buttons – assignable to camera functions.

• Detachable TS-141 Tripod Socket – ensures balanced support for astrophotography setups.

• Weather-Resistant Construction – reliable in harsh environments, with protective coatings on the front element.

• HLA Motor – Sigma’s latest autofocus technology, delivering precise, fast, and silent AF performance.

Specifications (Sony E-Mount)

• Lens Construction: 21 elements in 15 groups

• Angle of View: 180°

• Aperture Range: f/1.4 – f/16

• Diaphragm Blades: 11 (rounded)

• Minimum Focus Distance: 38cm

• Maximum Magnification Ratio: 0.10x

• Filter Support: Rear gel filter holder

• Dimensions (Diameter × Length): Ø104mm × 157mm

• Weight: 1,360g

• Mount: Sony E (full-frame)

✨ The Sigma 15mm f/1.4 DG DN Diagonal Fisheye | Art for Sony E-Mount is the ultimate creative lens — delivering world-first design, astro-focused features, and stunning optical performance.