The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Voigtlander 28mm F2.8 Color Skopar SL II and the Voigtlander 20mm F3.5 SL II 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. Voigtlander 20mm F3.5 SL II is the longer of the two lenses at 29mm. The Voigtlander 28mm F2.8 Color Skopar SL II with a length of 25mm, is 4mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 63mm.
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. Voigtlander 28mm F2.8 Color Skopar SL II weighs 180g, which means it is 25g (12%) lighter than the Voigtlander 20mm F3.5 SL II which has a weight of 205g.
Filter Threads
Both the Voigtlander 28mm F2.8 Color Skopar SL II and the Voigtlander 20mm F3.5 SL II 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 28mm F2.8 Color Skopar SL II and the Voigtlander 20mm F3.5 SL II has the same Nikon F (FX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (FX) lenses are Nikon D6, Nikon D780 and Nikon D3500.
Voigtlander 28mm F2.8 Color Skopar SL II is also available in Canon EF mount.
Voigtlander 20mm F3.5 SL II is also available in Canon EF and Pentax KAF mounts.
Focal Range
Voigtlander 28mm F2.8 Color Skopar SL II is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42mm.
On the other hand, the Voigtlander 20mm F3.5 SL II is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 30mm.