The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon 20mm f2.8D 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. Nikon 20mm f2.8D is the longer of the two lenses at 43mm. The Voigtlander 20mm F3.5 SL II with a length of 29mm, is 14mm shorter. Besides being longer, the Nikon 20mm f2.8D also has a larger diameter of 69mm compared to the Voigtlander 20mm F3.5 SL II's 63mm 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. Voigtlander 20mm F3.5 SL II weighs 205g, 24% (65g) lighter than the Nikon 20mm f2.8D's weight of 270g.
Below you can find the dimension and weight table of the Wideangle Prime Lenses in Nikon F (FX) Mount for size comparison purposes.
Ultra-Wideangle Lenses in Nikon F (FX) Mount for Size Comparison
Filter Threads
The Nikon 20mm f2.8D has a filter size of 62mm whereas the Voigtlander 20mm F3.5 SL II 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 62mm filters that we recommend you to consider for the Nikon 20mm f2.8D:
And these are the 52mm filters that we recommend for the Voigtlander 20mm F3.5 SL II:
Lens Mounts
Both the Nikon 20mm f2.8D 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 20mm F3.5 SL II is also available in Canon EF and Pentax KAF mounts.
Focal Range
Both lenses have the same focal range of
20mm but while Nikon 20mm f2.8D has the fastest aperture of
F2.8, the Voigtlander 20mm F3.5 SL II's widest aperture value is
F3.5.