This is one of over 4625 effects generated by Filter Forge, a Photoshop plugin that allows you to create your own filters.
To open this filter, you must have Filter Forge 2.0 or higher installed on your computer. If you don't have it installed yet, click here to download Filter Forge
Multiply the image by a number (Higher number = Brighter)
Brightness light increase multiply darken dark lighten bright brightness