Sigma 45mm F2.8 DG DN Contemporary Lens

Ultra-Compact Standard Prime for Mirrorless Cameras

The Sigma 45mm F2.8 DG DN Contemporary is Sigmas smallest and lightest full-frame lens, designed exclusively for mirrorless cameras. As part of Sigmas I-series, this premium compact prime is ideal for street, portrait, wedding, travel, and everyday photography.

Despite its compact and lightweight build, the lens delivers outstanding optical performance, featuring edge-to-edge sharpness, well-controlled aberrations, and smooth bokeh effects. Constructed with high-quality metal components, including a metal lens hood, aperture ring, and focus ring, it offers both durability and a premium feel.

Key Features

Exceptional Optical Performance

• Edge-to-edge sharpness, even wide open at F2.8.
• 8 elements in 7 groups, including two aspherical elements for reduced chromatic aberration.
• Smooth, natural bokeh with a rounded 7-blade diaphragm.
• Excellent control over flare and ghosting, ensuring high contrast and vibrant colours.

Compact & Lightweight Design

• Weighs only 215g and measures just 46.2mm in length, making it the smallest and lightest Sigma full-frame lens.
• Perfect balance on mirrorless cameras, enhancing portability and handling.

Premium All-Metal Construction

• Full metal body, lens hood, focus ring, and aperture ring for superior durability.
• Tactile knurled metal finish ensures intuitive handling and smooth operation.
• Weather-sealed mount protects against dust and moisture.

Versatile & Fast Aperture for Creative Photography

• F2.8 aperture for excellent low-light performance and shallow depth-of-field effects.
• Ideal for portrait, wedding, and travel photography, producing sharp subjects with beautifully blurred backgrounds.

Smooth & Intuitive Handling

• Manual aperture ring allows photographers to control aperture directly on the lens.
• Switch to Auto mode for camera-controlled aperture settings.
• Fast and accurate autofocus for both photography and videography.

Technical Specifications

Optical Design & Performance

• Lens Construction: 8 elements in 7 groups
• Angle of View: 51.3
• Diaphragm Blades: 7 (rounded for smooth bokeh)
• Minimum Aperture: F22
• Minimum Focusing Distance: 24cm
• Maximum Magnification Ratio: 1:4

Build & Dimensions

• Filter Thread: 55mm
• Dimensions (Diameter x Length): 64.0mm 46.2mm
• Weight: 215g

Compatibility

• Autofocus Mounts: L-Mount | Sony E
• L-Mount Barcode: 00-85126-360696
• Sony E Barcode: 00-85126-360658

Why Choose the Sigma 45mm F2.8 DG DN Contemporary Lens?

• Unmatched portability The smallest and lightest Sigma full-frame lens.
• Stunning image quality Sharp, high-resolution results with beautiful bokeh.
• Premium build quality All-metal construction ensures long-lasting durability.
• Ideal for everyday photography Perfect for street, travel, portrait, and wedding photography.
• Smooth and accurate autofocus Optimized for mirrorless cameras.

The Sigma 45mm F2.8 DG DN Contemporary is the ultimate compact standard prime, delivering superb optical performance, premium craftsmanship, and effortless portability. Whether you’re a professional or an enthusiast, this lens offers exceptional versatility for both photography and videography.