The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus 24mm F14 2x Macro Probe and the Sigma 20mm F1.8 EX DG RF 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. Venus 24mm F14 2x Macro Probe is the longer of the two lenses at 408mm. The Sigma 20mm F1.8 EX DG RF with a length of 90mm, is 318mm shorter. On the other hand, the Sigma 20mm F1.8 EX DG RF has a larger diameter of 89mm compared to the Venus 24mm F14 2x Macro Probe's 38mm 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. Venus 24mm F14 2x Macro Probe weighs 474g, which means it is 46g (8%) lighter than the Sigma 20mm F1.8 EX DG RF which has a weight of 520g.
Lens Mounts
The Venus 24mm F14 2x Macro Probe has the Nikon F (FX) lens mount whereas the Sigma 20mm F1.8 EX DG RF has the Nikon F (DX) lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount and Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (DX) Mount.
Venus 24mm F14 2x Macro Probe is also available in the Canon EF and Sony E mounts.
Sigma 20mm F1.8 EX DG RF is also available in Canon EF , Pentax KAF, Sony Alpha and Sigma SA mounts.
Focal Range
Venus 24mm F14 2x Macro Probe is a prime lens with fixed focal lenght of 24mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
36mm.
On the other hand, the Sigma 20mm F1.8 EX DG RF 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.
