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 Canon 50mm f2.5 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 Canon 50mm f2.5 Macro with a length of 63mm, is 4mm shorter. Besides being longer, the Sigma 50mm F2.8 Macro also has a larger diameter of 71mm compared to the Canon 50mm f2.5 Macro'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. Canon 50mm f2.5 Macro weighs 280g, 12% (40g) lighter than the Sigma 50mm F2.8 Macro's weight of 320g.
Filter Threads
The Sigma 50mm F2.8 Macro has a filter size of 55mm whereas the Canon 50mm f2.5 Macro has a 52mm 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 52mm filters that we recommend for the Canon 50mm f2.5 Macro:
Lens Mounts
The Sigma 50mm F2.8 Macro has the Nikon F (FX) lens mount whereas the Canon 50mm f2.5 Macro has the Canon EF lens mount. Some of the latest released cameras that are compatible with these mounts are Nikon D6, Nikon D780 and Nikon D3500 for the Nikon F (FX) Mount and Blackmagic URSA 12K LF, Z CAM E2-F6 II 6K and Z CAM E2-S6 II 6K for the Canon EF Mount.
Sigma 50mm F2.8 Macro is also available in the Canon EF , Pentax KAF, Sony Alpha and Sigma SA mounts.
Focal Range
Both lenses have the same focal range of
50mm but while Sigma 50mm F2.8 Macro has the fastest aperture of
F2.8, the Canon 50mm f2.5 Macro's widest aperture value is
F2.5.
