Sony FE 24-70mm f/2.8 GM vs Sigma 20-60mm f/2.8-4 DG Contemporary

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

Sony · 2016

FE 24-70mm f/2.8 GM

f/2.8886 g

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Sigma · 2026

20-60mm f/2.8-4 DG Contemporary

f/2.8375 gLinear motor

Check price Full specs

Pick the Sony FE 24-70mm f/2.8 GM if

You need more reach: 70mm vs 60mm at the long end
Our notes say it suits: Weddings and events, portrait and lifestyle work, general professional use

Pick the Sigma 20-60mm f/2.8-4 DG Contemporary if

You want the lighter lens to carry: 511 g lighter (375 g vs 886 g)
You want a wider view: 20mm vs 24mm at the wide end
You shoot close-ups: it focuses down to 0.16 m vs 0.38 m
You want bigger close-ups: 0.44× vs 0.24× maximum magnification
You want a compact lens: 88 mm vs 136 mm long

Spec differences

13 differences

Specifications that differ between the Sony FE 24-70mm f/2.8 GM and the Sigma 20-60mm f/2.8-4 DG Contemporary
	Sony FE 24-70mm f/2.8 GM	Sigma 20-60mm f/2.8-4 DG Contemporary
Brand	Sony	Sigma
Focal length	24-70mm	20-60mm
Weight	886 g	375 g lighter
Length	136 mm	88 mm shorter
Diameter	87.6 mm	72.2 mm slimmer
Filter thread	82 mm	67 mm
Min focus distance	0.38 m	0.16 m closer
Max magnification	0.24×	0.44× larger
Aperture blades	not listed	9
Optical design	not listed	15 elements / 13 groups
Autofocus motor	not listed	Linear motor
Weather sealing	not listed	Yes
Released	2016	2026

5 identical specs hidden: mount, type, format, max aperture, image stabilization. Show all

Mount: Sony E both
Type: Zoom both
Format: Full frame both
Max aperture: f/2.8 both
Image stabilization: No both

Our notes

Sony FE 24-70mm f/2.8 GM

Sony's G Master standard zoom for full-frame E-mount, covering 24-70mm at a constant f/2.8. It has a dust and moisture resistant design and no built-in stabilization.