What's the difference between Sigma version C and S?

Weight is different from the target population.

1. According to the query of Future Science and Technology Network, the weight is different: the lens structure of version C is 14 with 20 lenses, and the lens weight is1930g; The lens structure of version S is 16, with 24 lenses, and the lens weight is 2860g.

2. The target audience is different: version C is light, the target audience is field photographers, and version S is heavy, and the target audience is the general public.