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  2. Perspective (graphical) - Wikipedia

    en.wikipedia.org/wiki/Perspective_(graphical)

    Masaccio (d. 1428) achieved an illusionistic effect by placing the vanishing point at the viewer's eye level in his Holy Trinity (c. 1427), [27] and in The Tribute Money, it is placed behind the face of Jesus. [28] [b] In the late 15th century, Melozzo da Forlì first applied the technique of foreshortening (in Rome, Loreto, Forlì and others ...

  3. Worm's-eye view - Wikipedia

    en.wikipedia.org/wiki/Worm's-eye_view

    It is the opposite of a bird's-eye view. [1] It can give the impression that an object is tall and strong while the viewer is childlike or powerless. [2] A worm's-eye view commonly uses three-point perspective, with one vanishing point on top, one on the left, and one on the right. [3] A tree from a worm's-eye view

  4. Vanishing point - Wikipedia

    en.wikipedia.org/wiki/Vanishing_point

    A photo demonstrating a vanishing point at the end of the railroad. A vanishing point is a point on the image plane of a perspective rendering where the two-dimensional perspective projections of mutually parallel lines in three-dimensional space appear to converge.

  5. Picture plane - Wikipedia

    en.wikipedia.org/wiki/Picture_plane

    The orientation of the picture plane is always perpendicular of the axis that comes straight out of your eyes. For example, if you are looking to a building that is in front of you and your eyesight is entirely horizontal then the picture plane is perpendicular to the ground and to the axis of your sight.

  6. Camera angle - Wikipedia

    en.wikipedia.org/wiki/Camera_angle

    Some of these many camera angles are the high-angle shot, low-angle shot, bird's-eye view, and worm's-eye view. A viewpoint is the apparent distance and angle from which the camera views and records the subject. [2] They also include the eye-level shot, over-the-shoulder shot, and point-of-view shot. A high-angle (HA) shot is a shot in which ...

  7. Visual angle - Wikipedia

    en.wikipedia.org/wiki/Visual_angle

    The diagram on the right shows an observer's eye looking at a frontal extent (the vertical arrow) that has a linear size , located in the distance from point . For present purposes, point O {\displaystyle O} can represent the eye's nodal points at about the center of the lens, and also represent the center of the eye's entrance pupil that is ...

  8. Level (optical instrument) - Wikipedia

    en.wikipedia.org/wiki/Level_(optical_instrument)

    The Y level or wye level is the oldest and bulkiest of the older style optical instruments. A low-powered telescope is placed in a pair of clamp mounts, and the instrument then leveled using a spirit level, which is mounted parallel to the main telescope. The term dumpy level (also builder's level) endures despite the evolution in design. They ...

  9. Bird's-eye view - Wikipedia

    en.wikipedia.org/wiki/Bird's-eye_view

    A bird's-eye view is an elevated view of an object or location from a very steep viewing angle, creating a perspective as if the observer were a bird in flight looking downward. Bird's-eye views can be an aerial photograph , but also a drawing, and are often used in the making of blueprints, floor plans and maps.