Samyang AF 12mm f/2.0 vs Sigma 12mm f/1.4 DC Contemporary

Both are Sony E prime lenses for APS-C. Here is what actually differs.

Samyang

AF 12mm f/2.0

f/2213 gLinear STM

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Sigma · 2025

12mm f/1.4 DC Contemporary

f/1.4225 gStepping motor

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Pick the Samyang AF 12mm f/2.0 if

You want the lighter lens to carry: 12 g lighter (213 g vs 225 g)

Pick the Sigma 12mm f/1.4 DC Contemporary if

You need 1 stop more light for low light or background blur (f/1.4 vs f/2)
You shoot video: Stepping motor autofocus is smooth and quiet (the Samyang AF 12mm f/2.0 uses Linear STM)
You want bigger close-ups: 0.12× vs 0.09× maximum magnification
You care about the shape of out-of-focus highlights: 9 aperture blades vs 7

Spec differences

11 differences

Specifications that differ between the Samyang AF 12mm f/2.0 and the Sigma 12mm f/1.4 DC Contemporary
	Samyang AF 12mm f/2.0	Sigma 12mm f/1.4 DC Contemporary
Brand	Samyang	Sigma
Max aperture	f/2	f/1.4 1 stop faster
Weight	213 g lighter	225 g
Length	59.2 mm shorter	69.4 mm
Diameter	70 mm	68 mm
Min focus distance	0.19 m	0.17 m closer
Max magnification	0.09×	0.12× larger
Aperture blades	7	9 more blades
Optical design	12 elements / 10 groups	14 elements / 12 groups
Autofocus motor	Linear STM	Stepping motor
Released	not listed	2025

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

Mount: Sony E both
Type: Prime both
Format: APS-C both
Focal length: 12mm both
Filter thread: 62 mm both
Image stabilization: No both
Weather sealing: Yes both

Our notes

Samyang AF 12mm f/2.0

This 12mm f/2.0 fast wide-angle prime lens from Samyang fits Sony E mount cameras. The wide view suits landscapes, architecture and environmental shots.

Our notes