Sony FE 20mm F1.8 G vs Sigma 20mm f/1.4 DG DN Art

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

Sony · 2020

FE 20mm F1.8 G

f/1.8373 g

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Sigma · 2022

20mm f/1.4 DG DN Art

f/1.4630 g

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Pick the Sony FE 20mm F1.8 G if

You want the lighter lens to carry: 257 g lighter (373 g vs 630 g)
You shoot close-ups: it focuses down to 0.18 m vs 0.23 m
You want bigger close-ups: 0.22× vs 0.16× maximum magnification
You want a compact lens: 84.7 mm vs 113.2 mm long
Our notes say it suits: Landscape and astro, interiors, vlogging

Pick the Sigma 20mm f/1.4 DG DN Art if

You need ⅔ stop more light for low light or background blur (f/1.4 vs f/1.8)
You prefer a newer design: released 2022 vs 2020

Spec differences

12 differences

Specifications that differ between the Sony FE 20mm F1.8 G and the Sigma 20mm f/1.4 DG DN Art
	Sony FE 20mm F1.8 G	Sigma 20mm f/1.4 DG DN Art
Brand	Sony	Sigma
Max aperture	f/1.8	f/1.4 ⅔ stop faster
Weight	373 g lighter	630 g
Length	84.7 mm shorter	113.2 mm
Diameter	73.5 mm slimmer	87.8 mm
Filter thread	67 mm	82 mm
Min focus distance	0.18 m closer	0.23 m
Max magnification	0.22× larger	0.16×
Aperture blades	not listed	11
Optical design	not listed	17 elements / 15 groups
Weather sealing	not listed	Yes
Released	2020	2022

5 identical specs hidden: mount, type, format, focal length, image stabilization. Show all

Mount: Sony E both
Type: Prime both
Format: Full frame both
Focal length: 20mm both
Image stabilization: No both

Our notes

Sony FE 20mm F1.8 G

A compact wide-angle prime for full-frame E-mount with an f/1.8 aperture and an aperture ring. It weighs about 373 g and suits landscapes, astro and interiors.