The Sigma 45mm F2.8 DG Contemporary, showing Sigma's new typeface. Rendering: Sigma Sigma's I-series prime lenses will become the first to adopt the company's revised logo and branding, with updated ...

Logos are a key partof the identity of a business.As the company becomesmore well-known, so does the logo.Many logos are based around a nameor the initials of the company.Others are more abstract ...