This texture was generated in Filter Forge, a Photoshop plugin that allows you to create your own filters.
A straight perlin noise for exploring various HDRI settings and what they do. This snippet demonstrates how much lighting changes the look of a filter.
Note - The presets for this filter use the same lighting settings as those for my 'HDRI Explorer 1 - Sphere' filter for easy comparison.
HDRI, lighting, perlin