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 Sony E 16-50mm F3.5-5.6 PZ OSS for their suitability to various photography scenarios:
Size and Weight Comparison
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. Sony E 16-50mm F3.5-5.6 PZ OSS weighs 116g, 29% (49g) lighter than the Voigtlander SEPTON 40mm f2's weight of 165g.
Filter Threads
The Voigtlander SEPTON 40mm f2 has a filter size of 52mm whereas the Sony E 16-50mm F3.5-5.6 PZ OSS has a 41mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Voigtlander SEPTON 40mm f2:
And these are the 41mm filters that we recommend for the Sony E 16-50mm F3.5-5.6 PZ OSS:
Lens Mounts
Both the Voigtlander SEPTON 40mm f2 and the Sony E 16-50mm F3.5-5.6 PZ OSS has the same Sony E lens mount. Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5, Sony A7R VI and Sony A7 V.
Voigtlander SEPTON 40mm f2 is also available in the Nikon Z mount.
Focal Range
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.
On the other hand, the Sony E 16-50mm F3.5-5.6 PZ OSS has a focal range of 16-50mm and 3.1X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 24-75mm when used on a APS-C / DX format camera.
