Overview V-Ray Lens Effects simulates real-world camera lens effects such as bloom and glare. Visualizing IES Profiles The properties of an IES file can be visualized with Photometric Viewer software, which you can easily find online. Lens Effects Layer - V-Ray for 3ds Max - Chaos Help Lens Effects Layer This page provides information on the Lens Effects layer found in the V-Ray Frame Buffer. While 3ds Max has standard photometric lights, V-Ray photometric lights are optimized to render faster in V-Ray. IES lights are particularly useful for architectural interior renderings, where it can be important to show the actual result of using specific man-made light sources in the scene. Such files are usually provided by the manufacturer of the real-world bulb, and the information in those files, gathered through lab experiments, is extremely accurate in its representation of the light source. By loading an.ies file, the light's properties are recreated within 3ds Max and used by V-Ray during rendering. ![]() ![]() ![]() An.ies file contains complete specifications of a real world light bulb or tube including the shape of the light's cone and the steepness of the light's falloff. Photometric lights utilize an.ies file which contains the distribution profile for the light.
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