The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 10-18mm F2.8 DC DN C 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. Sigma 10-18mm F2.8 DC DN C is the longer of the two lenses at 64mm. The Venus Laowa 4mm F2.8 RF with a length of 26mm, is 38mm shorter. Besides being longer, the Sigma 10-18mm F2.8 DC DN C also has a larger diameter of 72mm compared to the Venus Laowa 4mm F2.8 RF's 61mm diameter.
Below you can find a scaled side-by-side image of Sigma 10-18mm F2.8 DC DN C and Venus Laowa 4mm F2.8 RF to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 10-18mm F2.8 DC DN C 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, 47% (120g) lighter than the Sigma 10-18mm F2.8 DC DN C's weight of 255g.
Lens Mounts
Both the Sigma 10-18mm F2.8 DC DN C 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 R50 V , Canon R100 and Canon R50 .
Sony E , Leica L and Fujifilm X mounts.
Focal Range
Sigma 10-18mm F2.8 DC DN C has a focal range of 10-18mm and
1.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of
16-28.8mm when used on a APS-C / DX format camera.
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.
