Sigma 18-50mm F2.8 DC DN | Contemporary 021 vs Sigma 24-70mm F2.8 DG DN | Art 019

Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.

Sigma

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

Sigma

24-70mm F2.8 DG DN | Art 019

Verdict at a glance

Sigma 18-50mm F2.8 DC DN | Contemporary 021 is lighter by 540g.
Sigma 18-50mm F2.8 DC DN | Contemporary 021 goes wider (18mm vs 24mm).
Sigma 24-70mm F2.8 DG DN | Art 019 reaches further (70mm vs 50mm).

Specification comparison
Spec	18-50mm F2.8 DC DN \| Contemporary 021	24-70mm F2.8 DG DN \| Art 019
Brand	Sigma	Sigma
Mount	Sony E	Sony E
Type	Zoom	Zoom
Focal length	18-50mm (wider)	24-70mm
Max aperture	f/2.8	f/2.8
Blades	7	11
Format	aps-c	full-frame
Groups	10	15
Af motor	Stepping motor	Stepping motor
Elements	13	19
Weight g	290 (lighter)	830
Filter mm	55	82
Length mm	76.5	124.9
Diameter mm	61.6	87.8
Min focus m	0.121 (closer focusing)	0.18
Max magnification	0.36	0.34

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

Sigma 24-70mm F2.8 DG DN | Art 019

Sigma's f/2.8 standard zoom for full-frame mirrorless in the Art line, with a dust- and splash-proof structure. It covers 24-70mm and weighs about 830 g.

Pros

Constant f/2.8 across 24-70mm
Dust- and splash-proof structure
Close focus to 0.18 m

Cons

Heavier than an f/4 zoom
No optical stabilization in the lens

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