The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Voigtlander SEPTON 40mm f2 and the Viltrox AF 40mm f2.5 Z for their suitability to various photography scenarios:
Size and Weight Comparison
The size of a lens is a crucial factor to consider when comparing two lenses. Viltrox AF 40mm f2.5 Z is the longer of the two lenses at 56mm. The Voigtlander SEPTON 40mm f2 with a length of 32mm, is 24mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 68mm.
The weight of a lens is equally significant as its external dimensions, particularly if you intend to handhold your camera and lens combination for extended periods. Viltrox AF 40mm f2.5 Z weighs 180g, 12% (25g) lighter than the Voigtlander SEPTON 40mm f2's weight of 205g.
Below you can find the dimension and weight table of the Standard Prime Lenses in Nikon Z Mount for size comparison purposes.
Standard Lenses in Nikon Z Mount for Size Comparison
Filter Threads
Both the Voigtlander SEPTON 40mm f2 and the Viltrox AF 40mm f2.5 Z have the same Filter thread size of 52mm.
Below are links to the 52mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Voigtlander SEPTON 40mm f2 and the Viltrox AF 40mm f2.5 Z has the same Nikon Z lens mount. Some of the latest released cameras that are compatible with the Nikon Z lenses are Nikon ZR, Nikon Z5 II and RED Komodo-X 6K Z.
Voigtlander SEPTON 40mm f2 is also available in the Sony E mount.
Focal Range
Both lenses have the same focal range of
40mm but while Voigtlander SEPTON 40mm f2 has the fastest aperture of
F2.0, the Viltrox AF 40mm f2.5 Z's widest aperture value is
F2.5.
