The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Nikon PC 19mm F4E ED and the Voigtlander 20mm F3.5 SL II for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Nikon PC 19mm F4E ED is the longer of the two lenses at 124mm. The Voigtlander 20mm F3.5 SL II with a length of 29mm is 95mm shorter. Besides being longer, the Nikon PC 19mm F4E ED also has a larger diameter of 89mm compared to Voigtlander 20mm F3.5 SL II's 63mm diameter.
Weight of a lens is as important as its external dimensions, especially if you are planning to hand hold your camera and lens combination for longer periods. Voigtlander 20mm F3.5 SL II weighs 205g, 76% (680g) lighter than the Nikon PC 19mm F4E ED's weight of 885g.
Below you can find the dimension and weight table of the 'Wideangle Prime Lenses in Nikon F (FX) Mount for size comparison purposes.
Wideangle Prime Lenses in Nikon F (FX) Mount for Size Comparison
Lens Mounts
Both Nikon PC 19mm F4E ED and 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
Nikon PC 19mm F4E ED is a prime lens with fixed focal lenght of 19mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides an 35mm (FF) equivalent of 28.5mm.
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 an 35mm (FF) equivalent of 30mm.