Sun glint, hdri sky vs celestial bodies

When i use hdri sky with a sun in the image, my polished metals give off a nice sun glint at the right angle.

However, when using physically based or procedural, with a celestial body, the sun does not seem to produce this effect.

Is it just my settings somewhere, or are celestial bodies not included in the reflection map?

When you use the pbr sky or procedural sky, sun is not calculated in the reflection because it will cause some GI issue. The size of the sun glint will depend on the smoothness of your material since it’s calculating in real-time.

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