Rokinon 50mm f/1.2 AS UMC CS vs Sigma 50mm f/1.2 DG DN Art

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

Rokinon

Pick the Rokinon 50mm f/1.2 AS UMC CS if

You want the lighter lens to carry: 365 g lighter (375 g vs 740 g)
You want a compact lens: 74.2 mm vs 110.8 mm long

Pick the Sigma 50mm f/1.2 DG DN Art if

You want autofocus (Linear motor): the Rokinon 50mm f/1.2 AS UMC CS is manual focus only
You shoot close-ups: it focuses down to 0.4 m vs 0.5 m
You shoot full frame: the Rokinon 50mm f/1.2 AS UMC CS is made for APS-C

Spec differences

13 differences

Specifications that differ between the Rokinon 50mm f/1.2 AS UMC CS and the Sigma 50mm f/1.2 DG DN Art
	Rokinon 50mm f/1.2 AS UMC CS	Sigma 50mm f/1.2 DG DN Art
Brand	Rokinon	Sigma
Format	APS-C	Full frame
Weight	375 g lighter	740 g
Length	74.2 mm shorter	110.8 mm
Diameter	not listed	81 mm
Filter thread	62 mm	72 mm
Min focus distance	0.5 m	0.4 m closer
Max magnification	not listed	0.16×
Aperture blades	not listed	13
Optical design	9 elements / 7 groups	17 elements / 12 groups
Autofocus motor	Manual focus	Linear motor
Weather sealing	not listed	Yes
Released	not listed	2024

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

Mount: Sony E both
Type: Prime both
Focal length: 50mm both
Max aperture: f/1.2 both
Image stabilization: No both

Our notes

Rokinon 50mm f/1.2 AS UMC CS

Rokinon 50mm f/1.2 AS UMC CS: a fast standard prime lens with a 50mm focal length and a maximum aperture of f/1.2, made for Sony E mount cameras, with aspherical elements. The natural field of view suits street, documentary and everyday photography.

Our notes