Samyang 50mm f/1.4 AS UMC vs Sigma 50mm f/1.4 DG HSM Art

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

Samyang

Pick the Samyang 50mm f/1.4 AS UMC if

You want the lighter lens to carry: 315 g lighter (565 g vs 880 g)
You want a compact lens: 100.7 mm vs 125.9 mm long

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

You want autofocus (HSM): the Samyang 50mm f/1.4 AS UMC is manual focus only
You shoot close-ups: it focuses down to 0.4 m vs 0.45 m

Spec differences

9 differences

Specifications that differ between the Samyang 50mm f/1.4 AS UMC and the Sigma 50mm f/1.4 DG HSM Art
	Samyang 50mm f/1.4 AS UMC	Sigma 50mm f/1.4 DG HSM Art
Brand	Samyang	Sigma
Weight	565 g lighter	880 g
Length	100.7 mm shorter	125.9 mm
Diameter	81.6 mm slimmer	85.4 mm
Min focus distance	0.45 m	0.4 m closer
Max magnification	not listed	0.18×
Aperture blades	not listed	9
Optical design	9 elements / 6 groups	13 elements / 8 groups
Autofocus motor	Manual focus	HSM

7 identical specs hidden: mount, type, format, focal length, max aperture, filter thread, image stabilization. Show all

Mount: Sony E both
Type: Prime both
Format: Full frame both
Focal length: 50mm both
Max aperture: f/1.4 both
Filter thread: 77 mm both
Image stabilization: No both

Our notes

Samyang 50mm f/1.4 AS UMC

Samyang 50mm f/1.4 AS UMC: a fast standard prime lens with a 50mm focal length and a maximum aperture of f/1.4, made for Sony E mount cameras, with aspherical elements. The natural field of view suits street, documentary and everyday photography.

Our notes