The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 70mm F2.8 DG Macro and the Sony E 30mm F3.5 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 70mm F2.8 DG Macro is the longer of the two lenses at 106mm. The Sony E 30mm F3.5 Macro with a length of 56mm, is 50mm shorter. Besides being longer, the Sigma 70mm F2.8 DG Macro also has a larger diameter of 71mm compared to the Sony E 30mm F3.5 Macro's 62mm 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. Sony E 30mm F3.5 Macro weighs 138g, 73% (377g) lighter than the Sigma 70mm F2.8 DG Macro's weight of 515g.
Below you can find the dimension and weight table of the Macro Prime Lenses in Sony E Mount for size comparison purposes.
Macro Lenses in Sony E Mount for Size Comparison
Filter Threads
Both the Sigma 70mm F2.8 DG Macro and the Sony E 30mm F3.5 Macro have the same Filter thread size of 49mm.
Below are links to the 49mm filters that we recommend you to consider for these lenses:
Lens Mounts
Both the Sigma 70mm F2.8 DG Macro and the Sony E 30mm F3.5 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.
Sigma 70mm F2.8 DG Macro is also available in the Canon EF , Nikon F (FX) and Sigma SA mounts.
Focal Range
Sigma 70mm F2.8 DG Macro is a prime lens with fixed focal lenght of 70mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
105mm.
On the other hand, the Sony E 30mm F3.5 Macro is a prime lens with fixed focal lenght of 30mm which has an effective (full-frame 35mm equivalent) focal range of 45mm when used on a APS-C / DX format camera.
