The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Venus Laowa 4mm F2.8 RF and the Venus 9mm F2.8 Zero-D 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 9mm F2.8 Zero-D is the longer of the two lenses at 53mm. The Venus Laowa 4mm F2.8 RF with a length of 26mm, is 27mm shorter. On the other hand, the Venus Laowa 4mm F2.8 RF has a larger diameter of 61mm compared to the Venus 9mm F2.8 Zero-D's 60mm diameter.
Below you can find a scaled side-by-side image of Venus Laowa 4mm F2.8 RF and Venus 9mm F2.8 Zero-D to get a better idea of how their sizes compare in real life.
Comparison image of the Venus Laowa 4mm F2.8 RF and the Venus 9mm F2.8 Zero-D 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. Venus Laowa 4mm F2.8 RF weighs 135g, which means it is 80g (37%) lighter than the Venus 9mm F2.8 Zero-D which has a weight of 215g.
Lens Mounts
The Venus Laowa 4mm F2.8 RF has the Canon RF lens mount whereas the Venus 9mm F2.8 Zero-D has the Fujifilm X lens mount . Some of the latest released cameras that are compatible with these mounts are RED Komodo-X 6K , RED Komodo 6K and Canon EOS C70 for the Canon RF Mount and Fujifilm X-T30 III , Fujifilm X-E5 and Fujifilm X-M5 for the Fujifilm X Mount.
Canon EF-M and Sony E mounts.
Focal Range
Venus Laowa 4mm F2.8 RF is a prime lens with fixed focal lenght of 4mm which has an effective (full-frame 35mm equivalent) focal range of
6mm when used on a APS-C / DX format camera.
On the other hand, the Venus 9mm F2.8 Zero-D is a prime lens with fixed focal lenght of 9mm which has an effective (full-frame 35mm equivalent) focal range of 13.5mm when used on a APS-C / DX format camera.
