What is a floodlight? What does floodlighting mean? What's the difference between floodlighting and ordinary lighting? Ask god for help

English name of floodlight: floodlight refers to a projector designed to illuminate a scene or object when the lighting demand of the reference scene or object is much stronger than its background. The bulb used for shooting is placed in a large reflective umbrella and used as a high-brightness diffused light source. Although it is indispensable for indoor lighting, it is also one of the light sources with good lighting effect for ordinary amateur indoor photography. Main applications: billboards, highways, railway tunnels, bridges and culverts, squares, buildings, etc. Floodlight: Floodlight is a kind of "point light source" that can irradiate evenly in all directions. The irradiation range can be adjusted at will, and it can cast shadows on objects. The floodlight is the most widely used light source in rendering. The "standard floodlight" is used to illuminate the whole scene, and there is no specific scope. You can use multiple floodlights in the scene to coordinate actions, thus producing better results. It should be noted that the floodlights can't be built too much, otherwise the renderings will look dull. Therefore, in the usual rendering production, we should pay more attention to the influence of lighting parameters and layout on the light perception of the whole rendering scene, accumulate more experience and master the matching skills of lighting. The example shows the performance characteristics of ZY8220 floodlight produced by Tong Ming: 1, using special gas discharge bulb with high luminous efficiency and long service life as light source; When using double-tube HPS lamp, it can be started and restarted without cooling. 2. Imported anodized aluminum reflector has higher light efficiency and less glare. 3. High-strength alloy material is selected, which has strong resistance to strong collision and impact. Multi-shock-proof structure and surface coating treatment can work in high-frequency vibration and high-temperature environment such as subgrade and track for a long time. 4. Wall-mounted and ceiling-mounted installation methods, the irradiation angle can be adjusted arbitrarily within the range of 120 as required. 5. The electrical box is installed in a split way, which effectively reduces the temperature of the electrical appliance and ensures the service life of the electrical appliance. Main technical parameters: rated voltage: 220VAC 50Hz, aspect ratio: 2.2, shell protection grade IP65, insulation grade I, corrosion grade WF2, incoming wire (lamp incoming wire) outer diameter: φ 8 ~ 10 mm, overall dimension (mm), Lamp body: 600 ×525 × 162 weight: 7.5kg ballast box 350×2 15× 180 ballast 180 average life (h) ZY8220-J 1000 MH gas. Kloc-0/2000ZY8220-N1000HPS gas discharge lamp 1000 140000 28500 floodlight Other information: Intention: light distribution curve and scene map: [Edit this floodlight is a high-power LED energy-saving lamp in Zheng Hui. Standard floodlights are used to illuminate the whole scene. You can use multiple floodlights in the scene to produce better results. The floodlight is the most widely used light source in rendering, and multiple floodlights can be used to coordinate in the scene to produce better results. It irradiates objects evenly from a specific point in all directions, which is the best analogy between light bulbs and candles. The floodlight can be placed anywhere in the scene. For example, it can be placed outside the camera range or inside the object. It is very common to use many floodlights of different colors for a long distance in the scene. These floodlights can cast shadows and blend them into the model. Because of the wide irradiation range of floodlights, the irradiation effect of floodlights is very easy to predict, and floodlights have many auxiliary uses. For example, placing a floodlight near the surface of an object will produce bright light on the surface of the object. Features of floodlights: Floodlights irradiate objects evenly in all directions from a specific point, which is the best analogy between light bulbs and candles. The floodlight can be placed anywhere in the scene. For example, it can be placed outside the camera range or inside the object. It is very common to use many floodlights of different colors for a long distance in the scene. These floodlights can cast shadows and blend them into the model. Because of the wide irradiation range of floodlights, the irradiation effect of floodlights is very easy to predict, and floodlights have many auxiliary uses. For example, placing a floodlight near the surface of an object will produce bright light on the surface of the object.

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