The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Panasonic S 24-70mm F2.8 and the Sigma 24-70mm F2.8 EX DG HSM 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. Panasonic S 24-70mm F2.8 is the longer of the two lenses at 140mm. The Sigma 24-70mm F2.8 EX DG HSM with a length of 95mm, is 45mm shorter. Besides being longer, the Panasonic S 24-70mm F2.8 also has a larger diameter of 91mm compared to the Sigma 24-70mm F2.8 EX DG HSM's 89mm 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 24-70mm F2.8 EX DG HSM weighs 790g, 15% (145g) lighter than the Panasonic S 24-70mm F2.8's weight of 935g.
Filter Threads
Both the Panasonic S 24-70mm F2.8 and the Sigma 24-70mm F2.8 EX DG HSM have the same Filter thread size of 82mm.
Below are links to the 82mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Panasonic S 24-70mm F2.8 has the Leica L lens mount whereas the Sigma 24-70mm F2.8 EX DG HSM has the Sigma SA 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 Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill for the Sigma SA Mount.
Sigma 24-70mm F2.8 EX DG HSM is also available in Canon EF , Pentax KAF3, Sony Alpha and Nikon F (FX) mounts.
Focal Range
Both lenses have the same focal range of
24-70mm and the fastest aperture of
F2.8.