The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 50mm F2 C and the Sony FE 50mm F2.5 G 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 C is the longer of the two lenses at 68mm. The Sony FE 50mm F2.5 G with a length of 45mm, is 23mm shorter. Besides being longer, the Sigma 50mm F2 C also has a larger diameter of 70mm compared to the Sony FE 50mm F2.5 G's 68mm diameter.
Below you can find a scaled side-by-side image of Sigma 50mm F2 C and Sony FE 50mm F2.5 G to get a better idea of how their sizes compare in real life.
Comparison image of the Sigma 50mm F2 C and the Sony FE 50mm F2.5 G 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. Sony FE 50mm F2.5 G weighs 174g, 50% (176g) lighter than the Sigma 50mm F2 C's weight of 350g.
Filter Threads
The Sigma 50mm F2 C has a filter size of 58mm whereas the Sony FE 50mm F2.5 G has a 49mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 58mm filters that we recommend you to consider for the Sigma 50mm F2 C:
And these are the 49mm filters that we recommend for the Sony FE 50mm F2.5 G:
Lens Mounts
The Sigma 50mm F2 C has the Leica L lens mount whereas the Sony FE 50mm F2.5 G has the Sony E lens mount . Some of the latest released cameras that are compatible with these mounts are Leica SL3-P , Panasonic S1 II and Panasonic S1 IIE for the Leica L Mount and Sony FX5 , Sony A7R VI and Sony A7 V for the Sony E Mount.
Sigma 50mm F2 C is also available in the Sony E mount.
Focal Range
Both lenses have the same focal range of
50mm but while Sigma 50mm F2 C has the fastest aperture of
F2.0 , the Sony FE 50mm F2.5 G's widest aperture value is
F2.5 .