The Optical Stabilisation switch has settings of Off, 1 and 2. Sigma suggests that it is switched off when using a tripod and when using B, for long exposures. Position 1 is for normal shooting ...

In this section you'll find photographic features that explore holidays and photography courses, details about members meetings, trials and tribulations of installing new software along with ...

In the case of $60 billion Two Sigma, the LPs are cautiously optimistic after a tumultuous stretch for the firm, which was fueled by a long-running dispute between its two billionaire heads.

Sigma male is a relatively new label that has been applied to a particular type of man in recent years. Therefore, when you ...