Question

what is the use of reflector in photography and cinematography also find out about the types of materials used is reflectors​

Answer 1

Answer:

In photography and cinematography, a reflector is an improvised or specialised reflective surface used to redirect light towards a given subject or scene

Answer 2

Answer:

In photography and cinematography, a reflector is an improvised or specialised reflective surface used to redirect light towards a given subject or scene.

Explanation:

• Apart from certain highly specialized components found in enlargers, projectors and scanners, photographic reflectors fall into two main groups:

Lamp reflectors:

• Similar to a domestic lampshade, these reflectors are fixed to an artificial light source (for example, a filament bulb or flash tube) to direct and shape the otherwise scattered light, reflecting it off their concave inner surfaces and directing it towards the scene to be photographed.

Board reflectors:

• Also known as plane reflectors, "flats" or bounce boards, this kind of reflector is located independent of a light source; the light is reflected off its surface, either to achieve a broader light source, or control shadows and highlights, or both. This kind of reflector generally has a very low reflectivity factor that varies widely according to surface texture and colour. As a result, it is most commonly used to control contrast in both artificial and natural lighting, in place of a fill light or "kick" light. In this case, light "spilling" from the main ambient or key light illuminating a scene is reflected back into the scene with a varying degrees of precision and intensity, according to the chosen reflective surface and its position relative to the scene.

• Reflectors may also be used as a means of increasing the size of the main light source, which may (or may not) retain a direct path to the scene. By positioning a board reflector close to a light source, its effective size can be increased by "bouncing" the light off it. A very common example of this technique is the traditional umbrella reflector, invented by George Larson , typically having a gold, silver or matte white interior onto which a lamp fitted with a circular reflector is projected, providing a broad, soft illumination. The lamp faces away from the scene to be photographed, allowing only reflected light to be thrown forward. Types of Reflector. 1 Dispersive reflector. 2 Holophane. 3 optical combination 4 concentrating 5 Angle.

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