also long-shot, in the figurative sense of "something unlikely," 1867, from long (adj.) + shot (n.). The notion is of a shot at a target from a great distance, thus difficult to make. Cinema [..]

Big underdog.

A camera shot taken at a distance from the object which shows the surroundings.

A camera view that takes in the full vista, or breadth, of a scene or that is taken far away from the subject. long take:

Framing that takes in the scene of the event.

 A long shot usually shows the subject from a distance, showing characters in the distance with a large amount of scenery.

Includes an amount of picture within the frame which roughly corresponds to the audience's view of the area within the proscenium arch of the legitimate theater. Long take

Subject or characters are at some distance from the camera; they are seen in full within their surrounding environment.

Camera view of a subject or scene from a distance, showing a broad perspective.

A shot that shows a character in his or her entirety, filling most of the frame.                                         MEDIUM LONG SHOT (MLS)

For example, classical westerns normally open with an LONG SHOT

A shot in which a large object (e.g. a complete human figure) fits easily within the frame.

Camera shot which makes the subject look small and far away; often used to show an object in relation to its surroundings.

A film shot which includes the whole human figure and part of the surrounding environment.

Camera shot that is taken at a considerable distance from the subject, usually containing a large number of background objects. Always spelled out in capital letters.

A picture taken at a distance from the subject.

A shot taken from some distance; shows the full subject and perhaps the surrounding scene as well. An aerial shot

A long shot shows characters in their entirety, as well as some of the surrounding environment.

Here's a modern gambling term with an old nautical origin. Because ships' guns in early days were very inaccurate except at close quarters, it was only an extremely lucky shot that would [..]

The team or the player that does not have a lot of chances of winning.

Team who has the least chances of winning.

A opportunity to hit that will require a dice roll that has a low probability of coming out. Such as a 6-6 (1 out of 36 chances) or a 6-5 (1 out of 18 chances).

a team/competitor that is a far outsider and large underdog.