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 E and the Tamron 11-20mm F2.8 A 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. Tamron 11-20mm F2.8 A is the longer of the two lenses at 86mm. The Venus Laowa 4mm F2.8 E with a length of 26mm, is 60mm shorter. Besides being longer, the Tamron 11-20mm F2.8 A also has a larger diameter of 73mm compared to the Venus Laowa 4mm F2.8 E's 61mm diameter.
Below you can find a scaled side-by-side image of Venus Laowa 4mm F2.8 E and Tamron 11-20mm F2.8 A to get a better idea of how their sizes compare in real life.
Comparison image of the Venus Laowa 4mm F2.8 E and the Tamron 11-20mm F2.8 A 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 E weighs 135g, which means it is 200g (59%) lighter than the Tamron 11-20mm F2.8 A which has a weight of 335g.
Lens Mounts
Both the Venus Laowa 4mm F2.8 E and the Tamron 11-20mm F2.8 A has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony ZV-E10 II , Sony A6700 and Sony FX30 .
Focal Range
Venus Laowa 4mm F2.8 E 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 Tamron 11-20mm F2.8 A has a focal range of 11-20mm and 1.8X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 16.5-30mm when used on a APS-C / DX format camera.
