The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox 28mm F4.5 FE and the Tamron 20-40mm F2.8 VXD 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 20-40mm F2.8 VXD is the longer of the two lenses at 86mm. The Viltrox 28mm F4.5 FE with a length of 20mm, is 66mm shorter. Besides being longer, the Tamron 20-40mm F2.8 VXD also has a larger diameter of 74mm compared to the Viltrox 28mm F4.5 FE's 60mm diameter.
Below you can find a scaled side-by-side image of Viltrox 28mm F4.5 FE and Tamron 20-40mm F2.8 VXD to get a better idea of how their sizes compare in real life.
Comparison image of the Viltrox 28mm F4.5 FE and the Tamron 20-40mm F2.8 VXD 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. Viltrox 28mm F4.5 FE weighs 88g, which means it is 277g (75%) lighter than the Tamron 20-40mm F2.8 VXD which has a weight of 365g.
Lens Mounts
Both the Viltrox 28mm F4.5 FE and the Tamron 20-40mm F2.8 VXD has the same Sony E lens mount . Some of the latest released cameras that are compatible with the Sony E lenses are Sony FX5 , Sony A7R VI and Sony A7 V .
Focal Range
Viltrox 28mm F4.5 FE is a prime lens with fixed focal lenght of 28mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
42mm .
On the other hand, the Tamron 20-40mm F2.8 VXD has a focal range of 20-40mm and 2.0X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 30 - 60mm .
