The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Carl Zeiss Distagon T2,8/21 and the Nikon PC 19mm F4E ED 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 PC 19mm F4E ED is the longer of the two lenses at 124mm. The Carl Zeiss Distagon T2,8/21 with a length of 109mm, is 15mm shorter. Besides being longer, the Nikon PC 19mm F4E ED also has a larger diameter of 89mm compared to the Carl Zeiss Distagon T2,8/21's 87mm 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. Carl Zeiss Distagon T2,8/21 weighs 600g, which means it is 285g (32%) lighter than the Nikon PC 19mm F4E ED which has a weight of 885g.
Lens Mounts
Both the Carl Zeiss Distagon T2,8/21 and the Nikon PC 19mm F4E ED 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.
Carl Zeiss Distagon T2,8/21 is also available in Canon EF and Pentax KAF mounts.
Focal Range
Carl Zeiss Distagon T2,8/21 is a prime lens with fixed focal lenght of 21mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
31.5mm.
On the other hand, the 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 a 35mm (FF) equivalent of 28.5mm.