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Sigma 28-70mm f/2.8 DG DN Contemporary Lens for Sony E


Key Features
  • E-Mount Lens/Full-Frame Format
  • Aperture Range: f/2.8 to f/22
  • Two FLD Elements, Two SLD Elements
  • Three Aspherical Elements
  • Super Multi-Layer & Nano Porous Coatings
  • Water- and Oil-Repellent Front Coating
  • Stepping Motor AF System
  • Rounded 9-Blade Diaphragm
  • Dust- and Splash-Proof Design

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Focal Length and Aperture:

The lens has a zoom range from 28mm to 70mm with a constant wide aperture of f/2.8. This makes it suitable for various photography genres, including portraits, landscapes, and general-purpose shooting.

Contemporary Series:

The lens belongs to Sigma’s Contemporary series, which is known for providing a balance between optical performance and portability.

DG and DN Designations:

The “DG” designation indicates that the lens is designed for full-frame cameras, while the “DN” designation indicates it is designed for mirrorless cameras. In this case, it is for Sony E-mount mirrorless cameras.

Advanced Optical Design:

The lens likely incorporates advanced optical elements, coatings, and design to deliver sharp and high-contrast images while minimizing optical aberrations.

Dual Focus System:

The lens may feature a dual focus system, including a high-speed autofocus (AF) mechanism for quick and accurate focusing and a manual focus (MF) option for users who prefer manual control.

Compact and Lightweight:

Contemporary lenses are often designed to be compact and lightweight, providing portability and ease of use.

Weather-Sealed Construction:

Some Sigma lenses come with weather-sealed construction, providing protection against dust and moisture. This enhances durability, making the lens suitable for various shooting conditions.

Rounded Aperture Blades:

The lens likely features rounded aperture blades, contributing to smooth and attractive bokeh in out-of-focus areas.

Versatile Zoom Range:

The 28-70mm zoom range is versatile for a variety of situations, making it a great all-around lens for everyday photography.

Focal Length
28 to 70mm
Maximum Aperture
f/2.8
Lens Mount
Sony E
Lens Format Coverage
Full-Frame
Focus Type
Autofocus
Image Stabilization
No
Filter Size
67 mm (Front)
Maximum Aperture
f/2.8
Minimum Aperture
f/22
Lens Mount
Sony E
Lens Format Coverage
Full-Frame
Angle of View
75.4° to 34.3°
Minimum Focus Distance
7.5″ / 19 cm
Maximum Magnification
4.6x
Optical Design
16 Elements in 12 Groups
Diaphragm Blades
9, Rounded
Focus Type
Autofocus
Image Stabilization
No
Filter Size
67 mm (Front)
Dimensions (ø x L)
2.8 x 4″ / 72.2 x 101.5 mm
Length at Maximum Extension
4.97″ / 126.3 mm
Weight
16.6 oz / 470 g
Packaging Info
Package Weight
1.73 lb
Box Dimensions (LxWxH)
6.8 x 4.7 x 4.6″

Brand

Sigma

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