Voigtlander Ultron 40mm f/2 SL IIS Aspherical vs Sigma 40mm f/1.4 DG HSM Art

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

Voigtlander

Ultron 40mm f/2 SL IIS Aspherical

f/2MF

Full specs

Sigma

40mm f/1.4 DG HSM Art

f/1.41260 gHSM

Full specs

Pick the Voigtlander Ultron 40mm f/2 SL IIS Aspherical if

You shoot close-ups: it focuses down to 0.25 m vs 0.4 m

Pick the Sigma 40mm f/1.4 DG HSM Art if

You need 1 stop more light for low light or background blur (f/1.4 vs f/2)
You want autofocus (HSM): the Voigtlander Ultron 40mm f/2 SL IIS Aspherical is manual focus only

Spec differences

12 differences

Specifications that differ between the Voigtlander Ultron 40mm f/2 SL IIS Aspherical and the Sigma 40mm f/1.4 DG HSM Art
	Voigtlander Ultron 40mm f/2 SL IIS Aspherical	Sigma 40mm f/1.4 DG HSM Art
Brand	Voigtlander	Sigma
Format	not listed	Full frame
Max aperture	f/2	f/1.4 1 stop faster
Weight	not listed	1260 g
Length	not listed	157 mm
Diameter	not listed	87.8 mm
Filter thread	52 mm	82 mm
Min focus distance	0.25 m closer	0.4 m
Max magnification	not listed	0.15×
Optical design	6 elements / 5 groups	16 elements / 12 groups
Autofocus motor	Manual focus	HSM
Weather sealing	not listed	Yes

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

Mount: Sony E both
Type: Prime both
Focal length: 40mm both
Aperture blades: 9 both
Image stabilization: No both

Our notes

Voigtlander Ultron 40mm f/2 SL IIS Aspherical

The Voigtlander Ultron 40mm f/2 SL IIS Aspherical is a fast standard prime lens covering 40mm at f/2 for Sony E mount cameras, with aspherical elements. The natural field of view suits street, documentary and everyday photography.

Our notes