Rokinon 14mm f/2.8 ED AS IF UMC vs Sigma 14mm f/1.8 DG HSM Art

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

Rokinon

Pick the Rokinon 14mm f/2.8 ED AS IF UMC if

You want the lighter lens to carry: 600 g lighter (570 g vs 1170 g)
You want a compact lens: 122.1 mm vs 152 mm long

Pick the Sigma 14mm f/1.8 DG HSM Art if

You need 1⅓ stops more light for low light or background blur (f/1.8 vs f/2.8)
You want autofocus (HSM): the Rokinon 14mm f/2.8 ED AS IF UMC is manual focus only

Spec differences

11 differences

Specifications that differ between the Rokinon 14mm f/2.8 ED AS IF UMC and the Sigma 14mm f/1.8 DG HSM Art
	Rokinon 14mm f/2.8 ED AS IF UMC	Sigma 14mm f/1.8 DG HSM Art
Brand	Rokinon	Sigma
Max aperture	f/2.8	f/1.8 1⅓ stops faster
Weight	570 g lighter	1170 g
Length	122.1 mm shorter	152 mm
Diameter	87 mm slimmer	95.4 mm
Min focus distance	0.28 m	0.27 m closer
Max magnification	not listed	0.1×
Aperture blades	not listed	9
Optical design	14 elements / 10 groups	16 elements / 11 groups
Autofocus motor	Manual focus	HSM
Weather sealing	not listed	Yes

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

Mount: Sony E both
Type: Prime both
Format: Full frame both
Focal length: 14mm both
Image stabilization: No both

Our notes

Rokinon 14mm f/2.8 ED AS IF UMC

Rokinon 14mm f/2.8 ED AS IF UMC: a wide-angle prime lens with a 14mm focal length and a maximum aperture of f/2.8, made for Sony E mount cameras, with extra-low dispersion glass and aspherical elements. A manual-focus ultra-wide prime well known for landscape and astro photogr...

Our notes