方向

1、指中间，东边、南边、西边、北边等；2、正对的位置:自一点向外引伸的路线，顺着箭头的方向。

Background

the part of a scene or picture that is farthest from the viewer : the part of a scene that is behind a main figure or object in a painting, photograph, etc. In photography the background is the part of the overall scene. It’s behind the main subject of the photograph. Proper design and use is ...

Orientation

orientation refers to the way photographs are taken and displayed The most common forms of orientation are vertical and horizontal orientation.The vast majority of photographs from DSLR and point-and-shoot cameras are taken with a 'landscape' or horizontal orientation, where the photograph is ...

Telephoto lens

"a telephoto lens is a specific type of a long-focus lens in which the physical length of the lens is shorter than the focal length.This is achieved by incorporating a special lens group known as a telephoto group that extends the light path to create a long-focus lens in a much shorter overall ...

Focus

1) The position at which rays of light from a lens converge to form a clear and sharply defined image on a focal plane. 2) The action of adjusting the distance between the lens and subject to make light rays converge to form a clear and sharply defined image of the subject.Generally, the act of ...

Focus

Focus can refer to: 1) The position at which rays of light from a lens converge to form a clear and sharply defined image on a focal plane. 2) The action of adjusting the distance between the lens and subject to make light rays converge to form a clear and sharply defined image of the ...

dynamic points

Points exist in static and dynamic forms.Static points provide good opportunities to thoroughly explore and methodically construct your compositions. Dynamic points are more challenging to work with, but learning to do so will help you take photographs under the kind of difficult conditions that ...

dominant lines

The corners and flow of the dominant lines are important considerations to keep in mind when arranging and composing still lifes. A dominant line does not always need to be at the center of attention to have a strong effect on the composition of an image. For example, a fallen tree in an image ...