Canon Vb-C60 NETWORK CAMERA VB-C60 Operation Guide - Page 33

Detailed Settings Setting the Camera Control and External Device Name (Camera) Tip z Auto focus may not work properly with the following subjects: 1 A white wall or other subject having no contrasting bright/dark areas A slanting subject A subject reflecting strong light A subject consisting only of slant lines or horizontal stripes A subject having no form, such as flame or smoke A subject seen through glass A fast-moving subject A dark area or night view A subject that is simultaneously far and near z The focus ranges (rough guide) are shown in the table below according to the settings of [Day/Night], etc. Day/Night setting Day mode Night mode Auto Dome Not used Used Not used Used Fixed at infinity Infrared lamp Wide end Tele end None 0.3m~∞ 1.5m~∞ Wide end 0.5m~∞ Tele end 1.8m~∞ None 2.1m~∞ 2.4m~∞ Yes Yes None 0.5m~∞ 0.5m~∞ Point of infinity 1.8m~∞ 2.4m~∞ Point of infinity Yes Note) The camera may be out of focus. z When it is difficult to focus on a night view or other subject having no contrasting bright/ dark areas, it is best to set the focus mode to "Fixed at infinity." 1-17