Sigma 28-70mm F2.8 DG DN Contemporary Lens (Sony E)

The Sigma 28-70mm F2.8 DG DN Contemporary is a compact and lightweight full-frame standard zoom lens built for Sony E-mount mirrorless cameras. Designed as a more portable alternative to traditional 24-70mm lenses, it delivers impressive image quality, a constant f/2.8 aperture, and excellent usability for everyday shooting.

Core Specifications

• Focal Range: 28–70mm (full-frame)
• Aperture Range: f/2.8 to f/22
• Optical Design: 16 elements in 12 groups
• Diaphragm: 9 rounded blades
• Minimum Focus Distance: 19 cm (wide) / 38 cm (telephoto)
• Maximum Magnification: 1:3.3
• Filter Thread: 67mm
• Weight: Approx. 470g

 Image Quality & Optics

• High Resolution Output
  • Sharp images across the zoom range
  • Strong center performance with good edge detail
• Constant F2.8 Brightness
  • Consistent exposure throughout zoom
  • Ideal for low-light shooting and indoor environments
• Smooth Background Rendering
  • Natural bokeh with pleasing transitions
  • Effective subject separation at mid to telephoto range
• Controlled Optical Aberrations
  • Reduces chromatic aberration and distortion
  • Maintains clarity and contrast in various lighting conditions

Performance & Autofocus

• Stepping Motor (STM)
  • Fast and accurate autofocus
  • Quiet operation for video recording
• Video-Friendly Features
  • Smooth focus transitions
  • Minimal focus breathing
• Close-Up Capability
  • Impressive near focusing distance for creative shots
  • Suitable for detail and product photography

Design & Handling

• Compact and lightweight design (ideal for travel)
• Durable construction with high-quality materials
• Dust and splash-resistant mount
• Well-balanced on Sony mirrorless bodies
• Simple, user-friendly control layout

 Designed for portability without sacrificing performance.