Sony FE 50mm F1.2 GM vs Sigma 50mm f/1.4 DG HSM Art

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

Sony · 2021

FE 50mm F1.2 GM

f/1.2778 g

Check price Full specs

Sigma

50mm f/1.4 DG HSM Art

f/1.4880 gHSM

Full specs

Pick the Sony FE 50mm F1.2 GM if

You need ½ stop more light for low light or background blur (f/1.2 vs f/1.4)
You want the lighter lens to carry: 102 g lighter (778 g vs 880 g)
Our notes say it suits: Portraits, low-light shooting, subject isolation

Pick the Sigma 50mm f/1.4 DG HSM Art if

Our spec data shows no clear advantage for this lens.

Spec differences

11 differences

Specifications that differ between the Sony FE 50mm F1.2 GM and the Sigma 50mm f/1.4 DG HSM Art
	Sony FE 50mm F1.2 GM	Sigma 50mm f/1.4 DG HSM Art
Brand	Sony	Sigma
Max aperture	f/1.2 ½ stop faster	f/1.4
Weight	778 g lighter	880 g
Length	109.2 mm shorter	125.9 mm
Diameter	87 mm	85.4 mm
Filter thread	72 mm	77 mm
Max magnification	0.17×	0.18× larger
Aperture blades	not listed	9
Optical design	not listed	13 elements / 8 groups
Autofocus motor	not listed	HSM
Released	2021	not listed

6 identical specs hidden: mount, type, format, focal length, min focus distance, image stabilization. Show all

Mount: Sony E both
Type: Prime both
Format: Full frame both
Focal length: 50mm both
Min focus distance: 0.4 m both
Image stabilization: No both

Our notes

Sony FE 50mm F1.2 GM

A very bright 50mm prime for full-frame E-mount with an f/1.2 aperture. It targets portrait and low-light shooters who want strong subject separation.