Digesis

The extra-diegetic gaze is where the character on screen “breaks the fourth wall” and looks directly into the camera lens. Example: Deadpool

4 Reasons Why Screenwriters Should Break the Fourth Wall - ScreenCraft
Deadpool

The intra-diegetic is where the cinematographer puts the audience into the perspective of the character. Example: Halloween.

Halloween (1978)

Diegetic perspective how the audience is being asked to look at the content on screen by the director. For Example: Midsommar

Midsommar

Diegetic, intra-diegetic and extra-diegetic. Examples

Diegetic perspective or “gaze” is expressed in terms of how the audience is being asked to look at the content or subjects on screen by the director e.g. what is being emphasised through the use of close-up. A good example of a film which uses this technique is Bladerunner(1982, Scott).

Blade Runner's 2019 Los Angeles helped define the American city of the  future - Vox

In the snapshot above there is the opening scene of the film, it’s a clear example of the Director trying to create and reinforce the idea of the dystopian world featured in the film, done well this can invest the viewer much more since the world is appealing as more realistic to them now.

The intra-diegetic gaze is when the audience are put in the place of a character and being asked to see things from their viewpoint e.g. through the use of subjective camerawork in films like Jurassic Park(1993, Steven Spielberg). In Jurassic Park there’s a certain scene where a T-rex is attacking a car, that car being where a woman is hiding. The cinematographer/Director used an intra-diegetic gaze to portray both the perspective of the T-rex and the woman.

Jurassic Park' turns 25: Behind-the-scenes moments you may not have known  about the iconic summer thriller - ABC News
This snapshot doesn’t capture the perspectives of the characters but does show the scene referenced. (sourced by google images)

The extra diegetic gaze is when someone on screen addresses the audience directly by looking directly down the lens of a camera- sometimes known as “breaking the 4th wall” . A film which uses this well to emphasise the protagonists awareness, and to add to the comedy aspect, is Deadpool(2016, Tim Miller). Deadpool is an Action/adventure/dark humour feature film within the marvel cinematic universe. In both the original and the sequel the protagonist, Deadpool, is always breaking the 4th wall to break the tension in sometimes tense situations, breaking the tension with a sense of comedy doesn’t lose the viewers attention or interest as using an extra diegetic gaze has a risk of doing.

The Best Of Deadpool Shattering The Fourth Wall — The Daily Fandom

In the snapshot featured above, Deadpool is listening to music while drawing a picture of the main antagonist of the movie, this gives the movie an element of context, and also gives an insight to the personality of the protagonist. Later on he speaks to the audience through an extra diegetic gaze and then literally jumps off into the first action/fight scene of the movie.

definition of cinematography and cinematographer:

Cinematography

The art and technology of motion-picture photography. It involves such techniques as the general composition of a scene; the lighting of the set or location; the choice of cameras, lenses, filters, and film stock; the camera angle and movements; and the integration of any special effects.

source – https://www.britannica.com/topic/cinematography

cinematographer

A cinematographer or director of photography is the person responsible for the photographing or recording of a film/ live action pieces.

source – https://en.wikipedia.org/wiki/Cinematographer

a spectrums of the arts

the performance arts are arts or skills that require public performance, as acting, singing, or dancing.An example of this is musical theatre such as wicked.

representation art is the description, portrayal or represent someone or something, for example paintings such as the Mona Lisa.

the recording arts is content that is recorded and can be replayed such as movies and songs.

Cinematography and Cinematographer definitions.

Cinematography is the camera work in film, this could be angles, shot types and the movements the camera may do. The purpose of this is to convey a meaning in a different way to other elements of film. For example a slanted shot type could imply that something about the character/situation is wrong or something is off. And a a close-ep shot type could imply that the situation is tense in the scene. Camera movements may be used when introducing a character to possibly inform the viewer of the characters personality/behaviour without any dialogue/monologue.

A cinematographer is the person operating the camera, this person is the one who is controlling the use of cinematography. The Director and Cinematographer may converse and discuss about the different ways they can make this scene and the best way to do it. Cinematographers also oversee the technical aspect of camera, focus, lens types, focal lengths, measuring focal distance between object and observer, even though the director is also control of this and can decide how they want to do the shot to convey the intended meaning in the best possible way but the cinematographer carries out what the director wants for the scene

cinematography and cinematographer

Cinematography is the art of photography and visual storytelling in a motion picture or television show. Cinematography comprises all on-screen visual elements, including lighting, framing, composition, camera motion, camera angles, film selection, lens choices, depth of field, zoom, focus, color, exposure, and filtration.

cinematographer or director of photography (sometimes shortened to DP or DOP) is the person responsible for the photographing or recording of a film, television production, music video or other live action piece. The cinematographer is the chief of the camera and light crews working on such projects and would normally be responsible for making artistic and technical decisions related to the image and for selecting the camera, film stocklensesfilters, etc. The study and practice of this field is referred to as cinematography. (Wikipedia)

cinematography

Cinematography, the art and technology of motion-picture photography. It involves such techniques as the general composition of a scene; the lighting of the set or location; the choice of cameras, lenses, filters, and film stock; the camera angle and movements; and the integration of any special effects.

>BRITANNICA

A cinematographer is the person who is in charge of the cinematography.

Cinematography

Cinematography – the art of photography and camerawork in film-making.

Film review: Does Blade Runner 2049 top the original? - BBC Culture
Blade Runner 2049 (Denis Villeneuve, 2017)

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Cinematographer – a person who oversees or directs photography and camerawork in film-making, especially one who operates the camera.

How Roger Deakins Earned 14 Oscar Nominations | Vanity Fair
Roger Deakins

(Source – Oxford Dictionary)

cinematography definition

cinematography- the art of photography and camerawork in film-making (google search dictionary)

Cinematographer- someone who takes photos or works with a camera in film-making

Film 2080 Cinematography. Means motion picture photography, literally  “writing in movement.” The basic unit of cinematography is the shot. A shot  is what. - ppt download

the difference between a cinematographer and a director

A cinematographer is a person who deals with filming in connection with the film or the movie whereas The main purpose of the role is to direct and control the company’s operations and to give strategic guidance and direction to the board to ensure that the company achieves its mission and objectives

both definitions for director and cinematographer are from goggle drop downs.