Wednesday, December 15, 2010

Graphic art photography skills

Photography heritage must first understand the film heritage of historical background, technical features, correctly handle the science and art of dialectical relationship. First, use good lighting is the key to cultural heritage photography photography most lighting conditions, so it is first necessary to understand some of the features of the lighting. Lighting has astigmatism lights and spotlights. Astigmatism lights of irradiation effect is

Photography heritage must first understand the film heritage of historical background, technical features, correctly handle the science and art of dialectical relationship.

First, use good lighting is essential heritage photography

Heritage photography most lighting conditions, so it is first necessary to understand some of the features of the lighting.

Lighting has astigmatism lights and spotlights. Astigmatism lights of irradiation effect is a broad, uniform light, the intensity of light from lighting area to non-lighting area gradually weakened, and spotlight lighting focus, strong, light intensity by the lighting area to non-lighting area. Photography heritage most scattered light, because it is the nature of the light intensity is close to natural light, suitable for people with Visual habits.

Second, heritage photography using optical methods

Front light is the direction along the shooting and a 45 ° ~ 90 ° angle direction to the light.

With this light lighting can be highlighted rough and bump pattern of artifacts, such as patterns of pottery, bronze stria, on the feast of the lettering on Oracle bones or artifacts on attachments (cloth, Silva, sheath, etc.).

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Under side light viewing angle and the angle of the shadow, the shadow of small but long, filming bump undulating artifacts to be high position of lateral light, contrary to a low position of lateral light.

If you bump change is very small, the position of lateral light is very low, even with nearly 90 ° angle of the light side, to get to the detailed description of the performance.

In addition, jade and stone, traces of machining guqi, paper, silk fabrics of fibrous tissue that needs to use Spotlight to illuminate the light side.

And bump relief more obvious artifacts, such as pottery, bronze on decorative etched on its bronze mirrors, banknotes, stamps, seals, pottery, tiles, epitaph carved inscription, brick, stone, stone carvings, jade and bone carving, with astigmatism lights side light to illuminate. Use the side lighting to prevent light rays than excessive or uneven phenomenon, usually with assisted optical methods to overcome these deficiencies.

Side light belongs to a backlight, it can effectively increase the artifacts of three-dimensional sense and sense of space, for shaping the contour of the body is very effective.

The back light is generally higher than artifacts, the objects are at least two photic (top and side) to outline the contours of the majority.

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If the back side of the light of 1/4 ~ 1/6 in highlights, 3/4 ~ 5/6 is in a dark surface.

Then you must use a secondary light. Auxiliary light will not only increase the brightness of dark, dark patterns, Dodge back side light projection, and the formation of artifacts that enhances projection on screen for cheap, just right bias.

Use the back side of photographing relics, the exposure value as dark as a standard, balanced light, so that all parts of the light ratio shall not exceed the tolerance of the film.

Lighting is taking the subject and background, to achieve structured, contrast is moderate.

Scattering of light and dark tint evenly soft, close, projection, flat shooting prone spot of artifacts (such as porcelain, jade, feeder and silver wares, etc.) used this kind of light.

In the photograph files, charts, pictures and artifacts are also commonly used the light to illuminate.

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Scattered light is generally when the natural light in removing chail produced light irradiation conditions can light with a layer of sulfuric acid paper or a frosted glass, light diffusion, or with a white screen and reflective umbrella will light up reflex to artifacts, scattering effect.

Small artifacts considerations when shooting.

Heritage photography photography of small and medium-sized artifacts, comparatively see more. Small artifacts shooting in addition to generally use the scattered light lighting, but also note the following:

· Artifacts as close as possible to the tone you want to avoid the dark, light-colored artifacts tone differences caused by excessive exposure bias.

· Shooting most underhand shooting angle.

· The sink with the colors of the color to match the artifacts.

Appropriate adjustment objects · high or low position.

· Note objects do not mutually block between.

When you want to make the shot, jade, light irradiation direction and camera direction symmetry. This is because jade texture and smooth, and most ornate pattern of a fine. Such figured only in a certain light and angle is more pronounced under observation, shooting to take advantage of the light angle of incidence equals the angle of reflection angle principle, take special filming method. The only way to make soft jade carvings and reflective with patterns together into the lens. Third, heritage photography projection handling

Heritage photography projection of bias and heritage on the screen of the location and density, on background themes are very important and must be taken seriously.

Heritage photography lighting distance objects near, and usually require a master of light and lighting, this makes the shadows not only the obvious artifacts and processing is also clutter, especially the URN, construed as the three objects, each with a 1-2-projection, when light from two angles call occurs two projection.

Thus, if the light is improper, projection, flood and distracting; shadow, interwoven, and sense of clutter; if there is no shadow, though the theme is also highlighted, but artifacts will soar, or exist in paper, the effect is not good.

Light crafts, jade, stone, guqi, clam, or bronze, etc. can be placed in a darker background image so thatIt can highlight the object outline and background of the tone and texture, projection handling in a dark background is not visible, do not interfere with the performance of artifacts. Therefore, heritage photography, handle the projected increase of stereoscopic effect, serve to fill the gap, adjusted balance, highlighting the role of the wares.

4 heritage photography background processing

Heritage photographic images, background often occupies an area of 1/2, to take full advantage of the background to the topic and content services.

Select the background color.

Shooting with a full-color, background generally use the midtones, dark gray and dark, light tint of the color you want to artifacts. Completely black background is not conducive to performance in the sense of space, the screen looks boring, but with a white background is also no background effects, so generally not used.

With color when shooting objects usually light grey, light beige, light brown and yellowish green.

If you need to use the dark background, dark brown, dark grey or black.

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In color photography in the set of special note background color on heritage interlining, especially the performance of the smooth surface of artifacts, the background color of the more obvious, so when the film heritage, in order to preserve the heritage of the original true color, it is best to do the complementary and contrasting colors bright background.

If shooting a darker color of heritage, the use of light grey tones of the background.

Selection of background materials.

Smooth, delicate, transparent objects fit select coarsely soft background materials (such as blankets, mesh, etc.). Rough, opaque objects fit selection and some background material (such as gray cloth, background, etc.).

Background fabric are used.

Pitching angle of shot, the background cloth tile in antiquities following; Boxer shot, one approach is to apply the background cloth end up in the high and let it hang freely to artifacts on stage, sleek and steering platform, makes the background with no apparent limit table. Another approach is to separate the background cloth and table so that the picture appears clearly in the Middle-Office boundaries.

In short, the archeological photography not only requires specialized knowledge of archaeology, to master the art of photography, but also to master the art of photography, the only way to take out the value of existing scientific and aesthetic value of archaeological work.

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