The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sony FE 50mm F2.5 G and the Sigma 50mm F2.8 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 50mm F2.8 Macro is the longer of the two lenses at 67mm. The Sony FE 50mm F2.5 G with a length of 45mm, is 22mm shorter. Besides being longer, the Sigma 50mm F2.8 Macro also has a larger diameter of 71mm compared to the Sony FE 50mm F2.5 G'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. Sony FE 50mm F2.5 G weighs 174g, which means it is 146g (45%) lighter than the Sigma 50mm F2.8 Macro which has a weight of 320g.
Filter Threads
The Sony FE 50mm F2.5 G has a filter size of 49mm whereas the Sigma 50mm F2.8 Macro has a 55mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 49mm filters that we recommend you to consider for the Sony FE 50mm F2.5 G:
And these are the 55mm filters that we recommend for the Sigma 50mm F2.8 Macro:
Lens Mounts
The Sony FE 50mm F2.5 G has the Sony E lens mount whereas the Sigma 50mm F2.8 Macro has the Sony Alpha 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 Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount.
Sigma 50mm F2.8 Macro is also available in Canon EF , Pentax KAF, Sigma SA and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
50mm but while Sony FE 50mm F2.5 G has the fastest aperture of
F2.5, the Sigma 50mm F2.8 Macro's widest aperture value is
F2.8.
