The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 50mm F1.4 EX DG HSM 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 50mm F1.4 DG HSM A is the longer of the two lenses at 100mm. The Sigma 50mm F1.4 EX DG HSM with a length of 68mm, is 32mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 85mm.
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 F1.4 EX DG HSM weighs 505g, which means it is 310g (38%) lighter than the Sigma 50mm F1.4 DG HSM A which has a weight of 815g.
Filter Threads
Both the Sigma 50mm F1.4 EX DG HSM and the Sigma 50mm F1.4 DG HSM A have the same Filter thread size of 77mm.
Below are links to the 77mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Sigma 50mm F1.4 EX DG HSM has the Four Thirds lens mount whereas the Sigma 50mm F1.4 DG HSM A has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Olympus E-5, Olympus E-600 and Olympus E-620 for the Four Thirds Mount and Canon 1D X III, Canon 6D MII and Canon 5D MIV for the Canon EF Mount.
Sigma 50mm F1.4 EX DG HSM is also available in Canon EF , Pentax KAF3, Sony Alpha, Sigma SA and Nikon F (FX) mounts.
Sigma 50mm F1.4 DG HSM A is also available in Sony Alpha , Sigma SA, Nikon F (FX) and Leica L mounts.
Focal Range
Both lenses have the same focal range of
50mm and the fastest aperture of
F1.4.