The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Canon RF 7-14mm F2.8-3.5 and the Venus Laowa 4mm F2.8 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. Canon RF 7-14mm F2.8-3.5 is the longer of the two lenses at 109mm. The Venus Laowa 4mm F2.8 RF with a length of 26mm, is 83mm shorter. Besides being longer, the Canon RF 7-14mm F2.8-3.5 also has a larger diameter of 77mm compared to the Venus Laowa 4mm F2.8 RF's 61mm diameter.
Below you can find a scaled side-by-side image of Canon RF 7-14mm F2.8-3.5 and Venus Laowa 4mm F2.8 RF to get a better idea of how their sizes compare in real life.
Comparison image of the Canon RF 7-14mm F2.8-3.5 and the Venus Laowa 4mm F2.8 RF 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, 71% (341g) lighter than the Canon RF 7-14mm F2.8-3.5's weight of 476g.
Lens Mounts
Both the Canon RF 7-14mm F2.8-3.5 and the Venus Laowa 4mm F2.8 RF has the same Canon RF lens mount . Some of the latest released cameras that are compatible with the Canon RF lenses are Canon R6 V , Canon R6 III and Canon C50 .
Focal Range
Canon RF 7-14mm F2.8-3.5 has a focal range of 7-14mm and
2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.6x crop, it provides a 35mm (FF) equivalent of
11.2 - 22.4mm .
On the other hand, the 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.
