The type of photography that you are planning to use is an important decision factor. Here we have evaluated the TTArtisan AF 75mm F2 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 TTArtisan AF 75mm F2 with a length of 69mm, is 65mm shorter. Besides being longer, the Sigma 105mm F2.8 DG DN Macro also has a larger diameter of 74mm compared to the TTArtisan AF 75mm F2's 68mm 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. TTArtisan AF 75mm F2 weighs 328g, which means it is 387g (54%) 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
Both the TTArtisan AF 75mm F2 and the Sigma 105mm F2.8 DG DN Macro have the same Filter thread size of 62mm.
Below are links to the 62mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the TTArtisan AF 75mm F2 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 FX5, Sony A7R VI and Sony A7 V.
TTArtisan AF 75mm F2 is also available in the Nikon Z , Leica L and Fujifilm X mounts.
Sigma 105mm F2.8 DG DN Macro is also available in Leica L mount.
Focal Range
TTArtisan AF 75mm F2 is a prime lens with fixed focal lenght of 75mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
112.5mm.
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.
