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 Sigma 50mm F1.4 DG HSM A 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 Sigma 50mm F1.4 DG HSM A with a length of 100mm, is 6mm shorter. On the other hand, the Sigma 50mm F1.4 DG HSM A has a larger diameter of 85mm compared to the Sigma 70mm F2.8 DG 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 70mm F2.8 DG Macro weighs 515g, which means it is 300g (36%) lighter than the Sigma 50mm F1.4 DG HSM A which has a weight of 815g.
Filter Threads
The Sigma 70mm F2.8 DG Macro has a filter size of 49mm whereas the Sigma 50mm F1.4 DG HSM A 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 49mm filters that we recommend you to consider for the Sigma 70mm F2.8 DG Macro:
And these are the 77mm filters that we recommend for the Sigma 50mm F1.4 DG HSM A:
Lens Mounts
Both the Sigma 70mm F2.8 DG Macro and the Sigma 50mm F1.4 DG HSM A has the same Sigma SA lens mount. Some of the latest released cameras that are compatible with the Sigma SA lenses are Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill.
Sigma 70mm F2.8 DG Macro is also available in the Canon EF , Nikon F (FX) and Sony E mounts.
Sigma 50mm F1.4 DG HSM A is also available in Canon EF , Sony Alpha, Nikon F (FX) and Leica L mounts.
Focal Range
Sigma 70mm F2.8 DG Macro is a prime lens with fixed focal lenght of 70mm.
On the other hand, the Sigma 50mm F1.4 DG HSM A is a prime lens with fixed focal lenght of 50mm.
