How to Optimize Lighting Settings in KeyShot Studio for better render quality + faster render times
1.1K views · 2026-07-02
Industrial Design
KeyShot has one of the simplest and most intuitive lighting systems you'll find in any rendering software. But even though the settings are minimal, they can have a huge impact on both your render quality and render times.
In this quick tutorial, our expert Ozan walks you through the most important lighting settings, especially if you're just getting started with KeyShot.
Before changing any settings, I recommend pressing H on your keyboard to open the performance statistics window in the top left corner. This lets you monitor how each lighting adjustment affects your render speed in real time.
Lighting Presets provide pre-configured settings for different scene types. For many users, these presets are all you'll ever need. However, understanding what each setting does gives you much more control over your renders.
If you're using a physical object as your ground plane instead of KeyShot's default ground, I recommend turning Ground Illumination off to avoid unnecessary calculations.
Next is Ray Bounces. This determines how many times light can reflect and refract throughout your scene. Materials like glass, polished metals, or complex reflective objects usually benefit from higher values.
Global Illumination controls how many times indirect light bounces off diffuse surfaces. While the difference may be subtle in some product renders, it's essential for interior scenes, where realistic indirect lighting makes a huge difference. I almost always recommend keeping this enabled.
Then we have Caustics. This feature creates realistic light patterns produced by glass and reflective metals. It can significantly improve realism, but it's also computationally expensive. To see focused caustics clearly, you'll typically need small, intense light sources.
Finally, there's Rendering Technique. These are optimized light transport algorithms designed for different types of scenes. If you're rendering interiors with higher Global Illumination settings, I highly recommend using Interior Mode for the best results.
That's it! A quick overview of KeyShot's simple yet incredibly powerful lighting settings.
If you have your own lighting tips or workflow, feel free to share them in the comments. Thanks for watching!
➡️ Not using KeyShot yet? Now's a great time to try it for free: https://trial.keyshot.com/
In this quick tutorial, our expert Ozan walks you through the most important lighting settings, especially if you're just getting started with KeyShot.
Before changing any settings, I recommend pressing H on your keyboard to open the performance statistics window in the top left corner. This lets you monitor how each lighting adjustment affects your render speed in real time.
Lighting Presets provide pre-configured settings for different scene types. For many users, these presets are all you'll ever need. However, understanding what each setting does gives you much more control over your renders.
If you're using a physical object as your ground plane instead of KeyShot's default ground, I recommend turning Ground Illumination off to avoid unnecessary calculations.
Next is Ray Bounces. This determines how many times light can reflect and refract throughout your scene. Materials like glass, polished metals, or complex reflective objects usually benefit from higher values.
Global Illumination controls how many times indirect light bounces off diffuse surfaces. While the difference may be subtle in some product renders, it's essential for interior scenes, where realistic indirect lighting makes a huge difference. I almost always recommend keeping this enabled.
Then we have Caustics. This feature creates realistic light patterns produced by glass and reflective metals. It can significantly improve realism, but it's also computationally expensive. To see focused caustics clearly, you'll typically need small, intense light sources.
Finally, there's Rendering Technique. These are optimized light transport algorithms designed for different types of scenes. If you're rendering interiors with higher Global Illumination settings, I highly recommend using Interior Mode for the best results.
That's it! A quick overview of KeyShot's simple yet incredibly powerful lighting settings.
If you have your own lighting tips or workflow, feel free to share them in the comments. Thanks for watching!
➡️ Not using KeyShot yet? Now's a great time to try it for free: https://trial.keyshot.com/