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Sigma 18-50mm F2.8 DC DN | Contemporary 021 vs 28-45mm f/1.8 DG DN Art

Both are Sony E zoom lenses. Here is what actually differs.

Pick the 18-50mm F2.8 DC DN | Contemporary 021 if

  • You want the lighter lens to carry: 660 g lighter (290 g vs 950 g)
  • You want a wider view: 18mm vs 28mm at the wide end
  • You need more reach: 50mm vs 45mm at the long end
  • You shoot close-ups: it focuses down to 0.12 m vs 0.3 m
  • You want bigger close-ups: 0.36× vs 0.25× maximum magnification
  • Our notes say it suits: Everyday APS-C shooting, vlogging and travel, low-light snapshots

Pick the 28-45mm f/1.8 DG DN Art if

  • You need 1⅓ stops more light for low light or background blur (f/1.8 vs f/2.8)
  • You shoot full frame: the 18-50mm F2.8 DC DN | Contemporary 021 is made for APS-C
  • You care about the shape of out-of-focus highlights: 11 aperture blades vs 7
  • You prefer a newer design: released 2024 vs 2021

Spec differences

14 differences
Specifications that differ between the Sigma 18-50mm F2.8 DC DN | Contemporary 021 and the Sigma 28-45mm f/1.8 DG DN Art
18-50mm F2.8 DC DN | Contemporary 021 28-45mm f/1.8 DG DN Art
Format
APS-C
Full frame
Focal length
18-50mm
28-45mm
Max aperture
f/2.8
f/1.8 1⅓ stops faster
Weight
290 g lighter
950 g
Length
76.5 mm shorter
153.4 mm
Diameter
61.6 mm slimmer
87.8 mm
Filter thread
55 mm
82 mm
Min focus distance
0.12 m closer
0.3 m
Max magnification
0.36× larger
0.25×
Aperture blades
7
11 more blades
Optical design
13 elements / 10 groups
18 elements / 15 groups
Autofocus motor
Stepping motor
not listed
Weather sealing
not listed
Yes
Released
2021
2024
4 identical specs hidden: brand, mount, type, image stabilization. Show all
Brand
Sigma both
Mount
Sony E both
Type
Zoom both
Image stabilization
No both

Our notes

Sigma 18-50mm F2.8 DC DN | Contemporary 021

A compact f/2.8 standard zoom for APS-C E-mount cameras, weighing about 290 g. It takes 55mm filters and offers a close focus distance of 0.121 m.

Pros

  • Constant f/2.8
  • Very light at 290 g
  • Close focus 0.121 m
  • Stepping motor autofocus

Cons

  • APS-C only
  • No stabilization in the lens
  • Less range than a kit zoom

Our notes

Sigma 28-45mm f/1.8 DG DN Art

More comparisons

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