The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Viltrox AF 56mm F1.2 Pro and the Sigma 105mm F2.8 DG DN Macro 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 105mm F2.8 DG DN Macro is the longer of the two lenses at 134mm. The Viltrox AF 56mm F1.2 Pro with a length of 92mm, is 42mm shorter. On the other hand, the Viltrox AF 56mm F1.2 Pro has a larger diameter of 78mm compared to the Sigma 105mm F2.8 DG DN Macro's 74mm 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 56mm F1.2 Pro weighs 570g, which means it is 145g (20%) lighter than the Sigma 105mm F2.8 DG DN Macro which has a weight of 715g.
Below you can find the dimension and weight table of the Telephoto Prime Lenses in Sony E Mount for size comparison purposes.
Telephoto Lenses in Sony E Mount for Size Comparison
Filter Threads
The Viltrox AF 56mm F1.2 Pro has a filter size of 67mm whereas the Sigma 105mm F2.8 DG DN Macro has a 62mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 67mm filters that we recommend you to consider for the Viltrox AF 56mm F1.2 Pro:
And these are the 62mm filters that we recommend for the Sigma 105mm F2.8 DG DN Macro:
Lens Mounts
Both the Viltrox AF 56mm F1.2 Pro and the Sigma 105mm F2.8 DG DN Macro 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.
Viltrox AF 56mm F1.2 Pro is also available in the Fujifilm X and Nikon Z mounts.
Sigma 105mm F2.8 DG DN Macro is also available in Leica L mount.
Focal Range
Viltrox AF 56mm F1.2 Pro is a prime lens with fixed focal lenght of 56mm which has an effective (full-frame 35mm equivalent) focal range of
84mm when used on a APS-C / DX format camera.
On the other hand, the Sigma 105mm F2.8 DG DN Macro is a prime lens with fixed focal lenght of 105mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of 157.5mm.
