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Sigma 549306 28-70mm f/2.8 EX DG IF Lens Nikon — main product image
Sigma

Sigma 549306 28-70mm f/2.8 EX DG IF Lens Nikon

★★★★★4.1 (5 reviews)
f/2.8

Compact and Versatile Standard Zoom for Nikon SLRs The Sigma 28-70mm f/2.8 EX DG IF Aspherical Lens is a compact and lightweight standard zoom lens designed for Nikon SLR cameras. With a constant f/2.8 aperture and advanced optical design, this lens delivers excellent image quality and versatili...

$400.00*
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*Price sourced from Amazon.com. Last updated:Jul 15, 2026.Price and availability are subject to change.

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Overview

Compact and Versatile Standard Zoom for Nikon SLRs

The Sigma 28-70mm f/2.8 EX DG IF Aspherical Lens is a compact and lightweight standard zoom lens designed for Nikon SLR cameras. With a constant f/2.8 aperture and advanced optical design, this lens delivers excellent image quality and versatility for a wide range of shooting applications.

Specifications:

  • Focal Length: 28-70mm
  • Maximum Aperture: f/2.8
  • Lens Construction: Super Multi Layer coating, 2 SLD elements, 4 aspherical lenses
  • Minimum Focusing Distance: 13 inches (33 centimeters)
  • Filter Size: 67mm
  • Weight: 510 grams (18 ounces)
  • Mount: Nikon SLR

Key Features

Zoom lens with Nikon-D AF mount

Special low-dispersion glass for high image quality

28 to 70 mm focal length

f2.8 maximum aperture

Inner focusing system allows add-on hoods and filters

Specifications

Brand
Sigma
Model
549306
Focal Length
28-70mm
Maximum Aperture
f/2.8
Mount Type
Nikon-D AF
Glass Type
Special Low-Dispersion
Focusing System
Inner Focusing

Pros & Cons

👍 Pros

  • This Sigma lens is specifically designed with a Nikon-D AF mount, ensuring compatibility with relevant Nikon camera bodies.
  • The inclusion of special low-dispersion glass significantly contributes to achieving high image quality by correcting chromatic aberrations.
  • It offers a versatile 28 to 70 mm focal length range, suitable for a variety of shooting scenarios from wide-angle to portrait.
  • A bright f2.8 maximum aperture is available throughout the zoom range, which is beneficial for low-light photography and achieving shallow depth of field.
  • The inner focusing system allows users to attach add-on hoods and filters without the front element rotating, streamlining workflow.

👎 Cons

  • The lens is specifically designed for Nikon-D AF mount cameras, limiting its compatibility with other camera systems or newer Nikon Z-mount bodies.
  • As a zoom lens, it may not achieve the absolute sharpness of a prime lens at equivalent focal lengths.
  • The f2.8 aperture, while bright, might still be limiting for extremely dark conditions compared to lenses with even wider apertures.
  • The description does not specify if the lens includes image stabilization, which could be a consideration for handheld shooting in some conditions.

Frequently Asked Questions

This Sigma 28-70mm f/2.8 EX DG IF lens is specifically designed with a Nikon-D AF mount, making it compatible with Nikon cameras that use this mount type.
Yes, the lens incorporates special low-dispersion glass, which is intended to deliver high image quality by reducing various optical aberrations.
The Sigma 28-70mm lens features a consistent maximum aperture of f/2.8 across its entire zoom range, which is advantageous for low-light performance and background blur.
Yes, the lens is equipped with an inner focusing system, which means the front element does not rotate during focusing, allowing for stable attachment and use of add-on hoods and filters.
The 28-70mm focal length offers versatility for various photographic styles, ranging from wide-angle shots to standard and portrait photography.

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