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 L and the Sigma 16-28mm F2.8 L 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. Sigma 16-28mm F2.8 L is the longer of the two lenses at 101mm. The Venus Laowa 4mm F2.8 L with a length of 26mm, is 75mm shorter. Besides being longer, the Sigma 16-28mm F2.8 L also has a larger diameter of 77mm compared to the Venus Laowa 4mm F2.8 L's 61mm diameter.
Below you can find a scaled side-by-side image of Venus Laowa 4mm F2.8 L and Sigma 16-28mm F2.8 L to get a better idea of how their sizes compare in real life.
Comparison image of the Venus Laowa 4mm F2.8 L and the Sigma 16-28mm F2.8 L 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 L weighs 135g, which means it is 315g (70%) lighter than the Sigma 16-28mm F2.8 L which has a weight of 450g.
Lens Mounts
Both the Venus Laowa 4mm F2.8 L and the Sigma 16-28mm F2.8 L has the same Leica L lens mount . Some of the latest released cameras that are compatible with the Leica L lenses are Leica TL2 , Leica TL and Leica T Typ 701 .
Focal Range
Venus Laowa 4mm F2.8 L 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 Sigma 16-28mm F2.8 L has a focal range of 16-28mm and 1.8X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 24 - 42mm .
