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 Sigma 24-70 F2.8 DG DN Art 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 24-70 F2.8 DG DN Art is the longer of the two lenses at 123mm. The Viltrox AF 40mm f2.5 E with a length of 56mm, is 67mm shorter. Besides being longer, the Sigma 24-70 F2.8 DG DN Art also has a larger diameter of 88mm compared to the Viltrox AF 40mm f2.5 E's 68mm diameter.
Below you can find a scaled side-by-side image of Viltrox AF 40mm f2.5 E and Sigma 24-70 F2.8 DG DN Art to get a better idea of how their sizes compare in real life.
Comparison image of the Viltrox AF 40mm f2.5 E and the Sigma 24-70 F2.8 DG DN Art 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 AF 40mm f2.5 E weighs 180g, which means it is 655g (78%) lighter than the Sigma 24-70 F2.8 DG DN Art which has a weight of 835g.
Filter Threads
The Viltrox AF 40mm f2.5 E has a filter size of 52mm whereas the Sigma 24-70 F2.8 DG DN Art has a 82mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 52mm filters that we recommend you to consider for the Viltrox AF 40mm f2.5 E:
And these are the 82mm filters that we recommend for the Sigma 24-70 F2.8 DG DN Art:
Lens Mounts
Both the Viltrox AF 40mm f2.5 E and the Sigma 24-70 F2.8 DG DN Art 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 .
Sigma 24-70 F2.8 DG DN Art is also available in Leica L 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 Sigma 24-70 F2.8 DG DN Art has a focal range of 24-70mm and 2.9X zoom ratio . When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 36 - 105mm .