Samyang 50mm f/1.4 AS UMC vs T1.3 AS UMC CS

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

Samyang

Pick the f/1.4 AS UMC if

You shoot full frame: the T1.3 AS UMC CS is made for APS-C

Pick the T1.3 AS UMC CS if

Our spec data shows no clear advantage for this lens.

Spec differences

8 differences

Specifications that differ between the Samyang 50mm f/1.4 AS UMC and the Samyang 50mm T1.3 AS UMC CS
	f/1.4 AS UMC	T1.3 AS UMC CS
Format	Full frame	APS-C
Max aperture	f/1.4	f/1.3
Weight	565 g	not listed
Length	100.7 mm	not listed
Diameter	81.6 mm	73.6 mm slimmer
Filter thread	77 mm	62 mm
Min focus distance	0.45 m closer	0.5 m
Optical design	9 elements / 6 groups	9 elements / 7 groups

6 identical specs hidden: brand, mount, type, focal length, autofocus motor, image stabilization. Show all

Brand: Samyang both
Mount: Sony E both
Type: Prime both
Focal length: 50mm both
Autofocus motor: Manual focus 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