How about VRay physical camera? Introduction of VRay physical camera

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If you are engaged in the 3D industry or plan to engage in the 3D industry, you must know the VRay renderer, because it is the best rendering engine. VRay is suitable for 3dsmax, Maya, Sketchup, Rhino and other softwares, and provides high-quality pictures and animation rendering for 3D modeling software in different fields. VRay is a professional renderer. Users often encounter various problems when installing VRay, and often encounter various setup problems when rendering pictures or animations with VRay. If you have problems, you can go to the website. In addition to professional tutorial videos of various VRay renderers, there are also professional answers to various VRay questions to help you learn to use VR renderers quickly.

Introduction of VRay physical camera

Compared with max's own camera, Vray physical camera can simulate real imaging and adjust the perspective relationship more easily. Exposure can be controlled by the camera alone, and there are many other very good special functions and effects. As I know little about photography, I collected several articles on the Internet to understand its parameters. Basic parameters: basic parameter type: type static camera camera movie camera camera target film door (mm) film door size focal length (mm) zoom factor zoom factor f number aperture factor distance from target point (effective when no target is selected) Distortion distortion type quadratic cubic vertical shift vertical correction guess vertical shift automatic vertical correction specified focus manual focus distance focal length (effective when no target is selected). Exposure vignetting white balance shutter speed (1/x) shutter angle (degrees) shutter angle (camera) shutter offset (degrees) shutter offset (camera) delay (seconds) delay (camera) film speed (ISO) film photography speed Bokeheffiects: blade rotation (degrees) of lens aperture of lens effect blade. Rotating Center Offset Center Offset Anisotropy jb5 1.net3DMAX Tutorial Network Sampling Depth of Field Motion Blurred Subdivision of Camera Knowledge and understanding of several important parameters: F-number aperture coefficient is inversely proportional to aperture relative to aperture, the smaller the coefficient, the larger the aperture, and the brighter and clearer the subject. The aperture coefficient is directly proportional to the depth of field, and the greater the depth of field. The actual shutter speed is the reciprocal of the shutter speed, so the larger the number, the faster the shutter speed, the slower the actual speed, and the more light passes. The subject is brighter and clearer. Shutter speed is inversely proportional to motion blur, and the smaller the value, the more blurred the speed of ISO film. The larger the value, the brighter the white balance, that is, no matter how the ambient light affects the white, this white is defined as the white zoomfactor, which determines the final image (near or far), but it does not need to push or pull the camera to vignette: Onjb5 1.net is similar to the lens vignetting of a real camera (the picture is dark around and bright in the middle). There are three most important parameters of VR camera, aperture, shutter and ISO sensitivity. The first is the aperture (F-$ NUMBER). Under normal circumstances, the highest aperture of our camera is only 8 (digital camera), which is of course higher, but I don't think it is necessarily practical, so my aperture value is generally controlled within 8. In reality, the aperture of the camera also plays a role in controlling the depth of field. The lower the value, the more blurred the focus of the object and the higher the value. Unless the depth of field is turned on, it is generally controlled within the range of 5-8. The lower the value, the brighter it will be, and the higher the value, the darker it will be. The second is ISO speed, which can also be said to be the speed of film. According to the experience of camera shooting, ISO is controlled at 100-200 during the day and 300-400 at night. So now these two values are roughly clear about how to set them. Then there is the shutter. The lower the shutter speed (S-1), the longer and brighter the exposure time. The higher the shutter, the shorter and darker the exposure time will be. Of course, if your scene is 500 square meters and there is only one firefly lighting, you can't light it at the lowest-1, and you must lower the aperture value. If I say this scene, MAX's camera can't illuminate, but VR's physical camera can, that is, when you set the parameters, if you think the whole scene is too bright or too dark, you don't need to move the lights, just move the camera.

The above is the introduction of VRay physical camera. Please click on VRay's tutorial scheme: