Simple conceptual question about light in films

In summary, light in films behaves differently when it passes through different mediums, such as air and glass. The normal is an imaginary line perpendicular to the surface that the light is passing through. When people say "bend away from the normal," they mean that the light is becoming more angled away from the normal as it passes through the medium. Conversely, when people say "bend towards the normal," they mean that the light is becoming less angled and closer to the normal as it passes through the medium. This can be observed by comparing the angle at which the light enters and exits the medium.
  • #1
yvesers
5
0
Hey guys iv got a conceptual question about light in films. When there's and incident ray in medium air which refract in a medium like glass the ray of light is bent towards the normal, and the opposite for the other way around. And to my understanding the normal is just the line perpendicular to the surface, but what do people mean when they say bend away from the normal? How can you bend towards the normal?
 
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  • #2
hey yvesers! :smile:
yvesers said:
… what do people mean when they say bend away from the normal? How can you bend towards the normal?

if the light goes in at 40° to the normal, and comes out at 50° to the normal, then it has bent away from the normal

if the light goes in at 40° to the normal, and comes out at 30° to the normal, then it has bent toward the normal :wink:
 
  • #3
You absolute boss :)
 

FAQ: Simple conceptual question about light in films

1. What is the significance of lighting in films?

The use of lighting in films is essential for creating atmosphere, setting the tone, and emphasizing certain elements of a scene. It can also convey emotions and add depth to the characters and story.

2. How does lighting affect the mood of a film?

The type and intensity of lighting used in a film can greatly influence the mood of a scene. For example, the use of bright and warm lighting can create a cheerful and optimistic atmosphere, while dim and cool lighting can evoke a sense of mystery or danger.

3. What is the difference between natural and artificial lighting in films?

Natural lighting refers to using natural sources of light, such as sunlight or fire, to illuminate a scene. This type of lighting can create a realistic and natural look. On the other hand, artificial lighting is created using artificial sources, such as studio lights, to achieve a specific effect or mood.

4. How can lighting be used to highlight specific elements in a scene?

Lighting can be used to draw the audience's attention to a specific character or object in a scene. By adjusting the placement and intensity of lights, filmmakers can guide the viewer's focus and create a sense of importance or significance.

5. How does lighting impact the overall visual aesthetic of a film?

The lighting in a film can greatly contribute to its visual aesthetic and overall look. It can enhance the colors and textures of a scene, create depth and dimension, and add a sense of realism or fantasy. Lighting also plays a crucial role in creating the overall visual style and tone of a film.

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