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  2. Rectilinear lens - Wikipedia

    en.wikipedia.org/wiki/Rectilinear_lens

    At particularly wide angles, however, the rectilinear perspective will cause objects to appear increasingly stretched and enlarged as they near the edge of the frame. These types of lenses are often used to create forced perspective effects. The most famous example is the Rapid Rectilinear Lens developed by John Henry Dallmeyer in 1866. It ...

  3. Perspective distortion - Wikipedia

    en.wikipedia.org/wiki/Perspective_distortion

    Below, a series of four photos shows an object framed as nearly the same as possible with four different lenses. As a result of the different angle of view of each lens, the photographer moved closer to the object with each photo. Note that the angle of view changes significantly (compare the background in each photo), and the distance between ...

  4. Framing (visual arts) - Wikipedia

    en.wikipedia.org/wiki/Framing_(visual_arts)

    Framing can make an image more aesthetically pleasing and keep the viewer's focus on the framed object(s). It can also be used as a repoussoir, to direct attention back into the scene. It can add depth to an image, and can add interest to the picture when the frame is thematically related to the object being framed.

  5. Mat (picture framing) - Wikipedia

    en.wikipedia.org/wiki/Mat_(picture_framing)

    In archival or conservation picture framing, mats have several important functions. One of the most important functions is that it separates the glass from the art or document being framed; this is primarily important because any condensation that develops on the inside of the glass can be transferred to the piece if they are not separated, resulting in water damage, mold or mildew.

  6. Rule of thirds - Wikipedia

    en.wikipedia.org/wiki/Rule_of_thirds

    The photograph demonstrates the application of the rule of thirds. The horizon in the photograph is on the horizontal line dividing the lower third of the photo from the upper two-thirds. The tree is at the intersection of two lines, sometimes called a power point [1] or a crash point. [2]

  7. Fillet (picture framing) - Wikipedia

    en.wikipedia.org/wiki/Fillet_(picture_framing)

    The fillet is normally used as decoration in the lining of a picture frame or underneath a mat inside one; the intent is to help draw the eye inwards to the document being framed. [3] However, one can also use inverted fillets as form of picture frame on small, flat objects, as seen below: An old greeting card, framed with an inverted fillet

  8. Picture framing glass - Wikipedia

    en.wikipedia.org/wiki/Picture_framing_glass

    Therefore, in picture framing, a stable color under a wide viewing angle is desirable. Cleaning – since anti-reflective coatings render the glass surface virtually invisible, the dirt or soiling of the surface is much more visible on an anti-reflective surface. This enhanced visibility of surface smudges results in an end-user difficulty to ...

  9. 2×4 - Wikipedia

    en.wikipedia.org/wiki/2×4

    2by4 or 2x4, a 1998 American drama film; 2 inch × 4 inch profile dimensional lumber; 2×4 Roller Derby, a women's roller derby league in Argentina; Jonny 2×4, a character on the cartoon Ed, Edd n Eddy