The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 50mm F2.8 Macro and the Sigma 24mm F1.8 EX DG 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 24mm F1.8 EX DG is the longer of the two lenses at 83mm. The Sigma 50mm F2.8 Macro with a length of 67mm, is 16mm shorter. Besides being longer, the Sigma 24mm F1.8 EX DG also has a larger diameter of 84mm compared to the Sigma 50mm F2.8 Macro's 71mm 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. Sigma 50mm F2.8 Macro weighs 320g, which means it is 180g (36%) lighter than the Sigma 24mm F1.8 EX DG which has a weight of 500g.
Filter Threads
The Sigma 50mm F2.8 Macro has a filter size of 55mm whereas the Sigma 24mm F1.8 EX DG has a 77mm diameter. Larger filters are generally more expensive than the smaller ones given all the other features are equal.
Below are links to the 55mm filters that we recommend you to consider for the Sigma 50mm F2.8 Macro:
And these are the 77mm filters that we recommend for the Sigma 24mm F1.8 EX DG:
Lens Mounts
The Sigma 50mm F2.8 Macro has the Sony Alpha lens mount whereas the Sigma 24mm F1.8 EX DG has the Sigma SA lens mount. Some of the latest released cameras that are compatible with these mounts are Sony A99 II, Sony A68 and Sony A77 II for the Sony Alpha Mount and Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill for the Sigma SA Mount.
Sigma 50mm F2.8 Macro is also available in the Canon EF , Pentax KAF, Sigma SA and Nikon F (FX) mounts.
Sigma 24mm F1.8 EX DG is also available in Canon EF , Nikon F (FX), Four Thirds, Pentax KAF, Sony Alpha, Sigma SA, Canon EF, Pentax KAF, Sony Alpha and Nikon F (FX) mounts.
Focal Range
Sigma 50mm F2.8 Macro is a prime lens with fixed focal lenght of 50mm. When it is mounted on an APS-C sensor camera with 1.5x crop, it provides a 35mm (FF) equivalent of
75mm.
On the other hand, the Sigma 24mm F1.8 EX DG is a prime lens with fixed focal lenght of 28mm.
