How to shoot stainless steel products?

The best way to shoot a stainless steel subject with a light source is to use an isolation cover, that is, to surround the whole subject with white fiber cloth or translucent sulfuric acid paper, and then evenly distribute light outside the cover, so that the whole isolation cover becomes a whole large-area light source, and the light is diffused by the isolation cover to form an indirect light source with soft and uniform light quality. You can also control the contrast between light and shade of the object by the light intensity outside the isolation cover. The use of isolation covers can avoid the interference of messy external objects and light spots on the surface of objects. If there is no isolation cover, a large number of reflective tools can be used, but care should be taken to avoid mapping the sundries and stray light around the shooting environment to the surface of the subject. The focus of light distribution is the contrast between light and shade of the subject and the control of light spot, which is not only the difficulty of shooting, but also indispensable to express the surface texture of stainless steel products. Therefore, when lighting, we should not only change the normal color and brightness of the surface of the object, but also control the area and position of the light spot, and use black and gray cardboard appropriately to enhance the three-dimensional sense and texture of the product. 1. Use soft lighting in a large area, and the lighting should be even and soft. Soft boxes, various reflective tools (such as reflective plates) and diffusion tools (such as sulfuric acid paper and translucent polyester cloth) can be used. 2. The specific shooting operation of stainless steel products will map the surrounding sundries to the bright surface of the subject. Therefore, it is necessary to isolate the external environment with an isolation cover, that is, the method of enclosing the wall. The use of the isolation cover can not only eliminate the interference of the surrounding environment to the main body, but also make the light quality soft and soft. ① When shooting the faucet, the surface of the faucet is smooth and the contour line is smooth. Backlight lighting is used to highlight the external contour of the faucet, and the isolation cover is used to isolate bright impurities in the surrounding environment (such as the photographer's hands and face, covered with black cloth before shooting, and only the camera lens is exposed). Only the light spots formed by light box, reflector and black-gray cardboard appear on the subject, and the rest are pure main colors (light distribution map 1-2). ② The motorcycle shock absorber was photographed as a complex polygon. Use motorcycle helmet and stainless steel rim to show its nature and make the picture rich in elements. Due to the dark color of the picture, it is not appropriate to use completely isolated lights. The shooting method of semi-isolated lighting and small depth of field is adopted to highlight the main position of the subject in the picture, but the light source should be uniform and large, and its light source area must cover the whole subject (within the camera's field of vision), not local (. 3. The control light spot is a highlight area formed by directional reflection of light shining on the smooth surface of reflective goods. There are neat highlights on the surface of the reflector, which are accurately displayed on the subject, which can not only depict the smooth muscle of the reflective product, but also shape the beauty twice. Therefore, stainless steel products must be shaped with light spots to reflect the exquisite appearance of the products. Therefore, the higher the smoothness of the subject, the brighter the facula, and the more lighting sources, the more facula. The flatter the surface of the object, the more complete the light spot (Figure 1- 1). On the other hand, the more complex the object surface structure, the more edges and corners, and the more miscellaneous the light spots (Figure 1-2). The size and position of the light spot will directly affect the presentation of the stereoscopic impression of the object. The main method to control and adjust the light spot is to use a large soft light source as the main light (the lighting angle of the light box is generally horizontal or slightly higher than the horizontal angle) to form the main light spot. The number of light spots should be less. Generally, there can only be one main light spot, and other light spots can be determined according to the desired picture effect of the photographer. The light spot should be complete and not broken. The flatter the surface structure (figure 1- 1), the spot will form a top-down reflection surface, which requires the use of a large-area soft box. The shape of the light source will also affect the shape of the light spot. For example, if a slender light spot is needed on the faucet, a rectangular light box must be used as the main light, such as a 70cm× 140cm light box. The position of the light spot on the side or in front of the subject will better reflect the three-dimensional sense of the subject, and the light spot near the edge of the subject will also have the function of outlining. You can adjust the position of the spotlight by moving the position of the lamp. In a word, the number, shape, brightness, position and size of light spots depend on the number, shape, brightness, light level and area of light sources and the external contour shape of the subject.