The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox AF 40mm f2.5 E and the Tamron 14-150mm f3.5-5.8 III 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 14-150mm f3.5-5.8 III is the longer of the two lenses at 80mm. The Viltrox AF 40mm f2.5 E with a length of 56mm, is 24mm shorter. On the other hand, the Viltrox AF 40mm f2.5 E has a larger diameter of 68mm compared to the Tamron 14-150mm f3.5-5.8 III's 64mm diameter.
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 AF 40mm f2.5 E weighs 180g, which means it is 105g (36%) lighter than the Tamron 14-150mm f3.5-5.8 III which has a weight of 285g.
Filter Threads
Both the Viltrox AF 40mm f2.5 E and the Tamron 14-150mm f3.5-5.8 III have the same Filter thread size of 52mm.
Below are links to the 52mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Viltrox AF 40mm f2.5 E has the Sony E lens mount whereas the Tamron 14-150mm f3.5-5.8 III has the Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with these mounts are Sony FX5, Sony A7R VI and Sony A7 V for the Sony E Mount and OM System OM-3 Astro, OM System OM-5 II and OM System OM-3 for the Micro Four Thirds Mount.
Focal Range
Viltrox AF 40mm f2.5 E is a prime lens with fixed focal lenght of 40mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
60mm.
On the other hand, the Tamron 14-150mm f3.5-5.8 III has a focal range of 14-150mm and 10.7X zoom ratio which has an effective (full-frame 35mm equivalent) focal range of 28-300mm when used on a FourThirds format camera.
