The type of photography that you are planning to use is an important decision factor. Here we have evaluated the Sigma 17-70mm F2.8-4 DC OS HSM and the Sigma 17-70mm F2.8-4 DC OS HSM C 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 17-70mm F2.8-4 DC OS HSM is the longer of the two lenses at 89mm. The Sigma 17-70mm F2.8-4 DC OS HSM C with a length of 82mm, is 7mm shorter. On the other hand, there is no difference between the max diameters of these lenses, both coming at 79mm.
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 17-70mm F2.8-4 DC OS HSM C weighs 465g, 10% (55g) lighter than the Sigma 17-70mm F2.8-4 DC OS HSM's weight of 520g.
Filter Threads
Both the Sigma 17-70mm F2.8-4 DC OS HSM and the Sigma 17-70mm F2.8-4 DC OS HSM C have the same Filter thread size of 72mm.
Below are links to the 72mm filters that we recommend you to consider for these lenses:
Lens Mounts
The Sigma 17-70mm F2.8-4 DC OS HSM has the Sigma SA lens mount whereas the Sigma 17-70mm F2.8-4 DC OS HSM C has the Nikon F (DX) lens mount. Some of the latest released cameras that are compatible with these mounts are Sigma SD1 Merrill, Sigma SD1 and for the Sigma SA Mount and Nikon D3500, Nikon D7500 and Nikon D5600 for the Nikon F (DX) Mount.
Sigma 17-70mm F2.8-4 DC OS HSM is also available in the Canon EF , Pentax KAF3, Sony Alpha and Nikon F (DX) mounts.
Sigma 17-70mm F2.8-4 DC OS HSM C is also available in Canon EF , Pentax KAF3, Sony Alpha and Sigma SA mounts.
Focal Range
Both lenses have the same focal range of
17-70mm and the fastest aperture of
F2.8 - F4.0.
