The type of photography that you are planning to use is an important decision factor. Here we have evaluated the HD Pentax-FA 35mm F2 AL and the Nikon Z 20mm F1.8 S 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 Z 20mm F1.8 S is the longer of the two lenses at 109mm. The HD Pentax-FA 35mm F2 AL with a length of 45mm, is 64mm shorter. Besides being longer, the Nikon Z 20mm F1.8 S also has a larger diameter of 85mm compared to the HD Pentax-FA 35mm F2 AL's 64mm diameter.
Below you can find a scaled side-by-side image of HD Pentax-FA 35mm F2 AL and Nikon Z 20mm F1.8 S to get a better idea of how their sizes compare in real life.
Comparison image of the HD Pentax-FA 35mm F2 AL and the Nikon Z 20mm F1.8 S Size and Weight 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. HD Pentax-FA 35mm F2 AL weighs 193g, which means it is 312g (61%) lighter than the Nikon Z 20mm F1.8 S which has a weight of 505g.
Filter Threads
The HD Pentax-FA 35mm F2 AL has a filter size of 49mm whereas the Nikon Z 20mm F1.8 S has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 49mm filters that we recommend you to consider for the HD Pentax-FA 35mm F2 AL:
And these are the 77mm filters that we recommend for the Nikon Z 20mm F1.8 S:
Lens Mounts
The HD Pentax-FA 35mm F2 AL has the Pentax KAF lens mount whereas the Nikon Z 20mm F1.8 S has the Nikon Z lens mount . Some of the latest released cameras that are compatible with these mounts are Pentax K-3 III Mono , Pentax KF and Pentax K-3 III for the Pentax KAF Mount and Nikon ZR , Nikon Z5 II and RED Komodo-X 6K Z for the Nikon Z Mount.
Focal Range
HD Pentax-FA 35mm F2 AL is a prime lens with fixed focal lenght of 35mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
52.5mm .
On the other hand, the Nikon Z 20mm F1.8 S 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 .
