The type of photography that you are planning to use is an important decision factor. Here we have evaluated the 7artisans 25mm F1.8 Lite and the Voigtlander SEPTON 40mm f2 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. 7artisans 25mm F1.8 Lite is the longer of the two lenses at 51mm. The Voigtlander SEPTON 40mm f2 with a length of 32mm, is 19mm shorter. On the other hand, the Voigtlander SEPTON 40mm f2 has a larger diameter of 68mm compared to the 7artisans 25mm F1.8 Lite's 67mm diameter.
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. 7artisans 25mm F1.8 Lite weighs 183g, which means it is 22g (10%) lighter than the Voigtlander SEPTON 40mm f2 which has a 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
The 7artisans 25mm F1.8 Lite has a filter size of 58mm whereas the Voigtlander SEPTON 40mm f2 has a 52mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the 7artisans 25mm F1.8 Lite:
And these are the 52mm filters that we recommend for the Voigtlander SEPTON 40mm f2:
Lens Mounts
Both the 7artisans 25mm F1.8 Lite and the Voigtlander SEPTON 40mm f2 has the same Nikon Z lens mount. Some of the latest released cameras that are compatible with the Nikon Z lenses are RED Komodo-X 6K Z, Nikon Z50 II and Nikon Z30.
7artisans 25mm F1.8 Lite is also available in the Sony E and Fujifilm X mounts.
Voigtlander SEPTON 40mm f2 is also available in Sony E mount.
Focal Range
7artisans 25mm F1.8 Lite is a prime lens with fixed focal lenght of 25mm which has an effective (full-frame 35mm equivalent) focal range of
37.5mm when used on a APS-C / DX format camera.
On the other hand, the Voigtlander SEPTON 40mm f2 is a prime lens with fixed focal lenght of 40mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 60mm.
