Skip to content
Menu

Voigtlander Ultron 40mm f/2 SL IIS Aspherical vs Septon 40mm F2 Aspherical

Both are Nikon Z prime lenses. Here is what actually differs.

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

  • You shoot close-ups: it focuses down to 0.25 m vs 0.3 m

Pick the Septon 40mm F2 Aspherical if

  • You care about the shape of out-of-focus highlights: 10 aperture blades vs 9

Spec differences

7 differences
Specifications that differ between the Voigtlander Ultron 40mm f/2 SL IIS Aspherical and the Voigtlander Septon 40mm F2 Aspherical
Ultron 40mm f/2 SL IIS Aspherical Septon 40mm F2 Aspherical
Weight
not listed
205 g
Length
not listed
32 mm
Diameter
not listed
68.3 mm
Min focus distance
0.25 m closer
0.3 m
Max magnification
not listed
0.19×
Aperture blades
9
10 more blades
Optical design
6 elements / 5 groups
7 elements / 6 groups
8 identical specs hidden: brand, mount, type, focal length, max aperture, filter thread, autofocus motor, image stabilization. Show all
Brand
Voigtlander both
Mount
Nikon Z both
Type
Prime both
Focal length
40mm both
Max aperture
f/2 both
Filter thread
52 mm both
Autofocus motor
Manual focus 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 Nikon Z mount cameras, with aspherical elements. The natural field of view suits street, documentary and everyday photography.

Our notes

Voigtlander Septon 40mm F2 Aspherical

More comparisons

Compare other lenses or browse our best-of guides.