Creating specular map – photoshop tutorial

Now it’s time to create specular map. First of all I need to explain, why you have to use this type of map. When you are using a bump map, in most cases you will have to use also a specular map, which is made of the same diffuse map as a bump map. But why I will need this? It’s very simple to explain. Look how the reflections looks like on the wooden furniture. You see my point? They are never equal right? At this time, when you are using only a bump maps most of the reflections will not look realistic and sometimes you will not be able to see any of them.
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