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 Canon 20mm f2.8 USM for their suitability to various photography scenarios:
Size and Weight Comparison
Size of a lens is an important deciding factor when comparing two lenses.Venus 24mm F14 2x Macro Probe is the longer of the two lenses at 408mm. The Canon 20mm f2.8 USM with a length of 71mm is 337mm shorter. On the other hand, the Canon 20mm f2.8 USM has a larger diameter of 78mm compared to Venus 24mm F14 2x Macro Probe's 38mm 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. Canon 20mm f2.8 USM weighs 405g, 14% (69g) lighter than the Venus 24mm F14 2x Macro Probe's weight of 474g.
Both Venus 24mm F14 2x Macro Probe and Canon 20mm f2.8 USM has the same Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon 1D X III, Canon 6D MII and Canon 5D MIV.
Venus 24mm F14 2x Macro Probe is also available in Nikon F (FX) and Sony E mounts.
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 1.6x crop, it provides an 35mm (FF) equivalent of 38.4mm.
Canon 20mm f2.8 USM is a prime lens with fixed focal lenght of 20mm. When it is mounted on an APS-C sensor camera with 1.6x crop, it provides an 35mm (FF) equivalent of 32mm.