Giving a job description of a cinematographer is a bit difficult because the term cinematographer can apply to various jobs ranging from camera operator to director of photography. Most often, the term refers to the director of photography, or top cinematographer on a film, so let's focus on that.
Thermoplastic Polyolefin Elastomer (TPO (POE)). Thermoplastic polyurethanes (TPU) are a class of polyurethane plastics with many useful properties, including elasticity, transparency, and resistance to oil, grease and abrasion. Technically, they are thermoplastic elastomers consisting of linear segmented block copolymers composed of hard and soft segments.
has improved. But it is the progress in ease-of-installation of IP cameras attributed to PoE technology that has bolstered their sales. The secret to PoE is in the wire itself. Category 5 (CAT5) cable carries eight 24-gauge (AWG) copper wires which conduct both power and video signals to the camera.