A one size fits all RTS Camera with lots of flexibility, so much so that with a few settings tweaks you can make any isometric based camera!
Features
-Simple drag and drop implementation. Just drag the prefab into the scene and you're away.
-Three different camera modes, All fully customisable and establish different camera rules for different environments
-Keyboard, mouse drag and edge screen panning.
-Smooth mouse rotation with built in customisable rotation limits
-Zoom limit and incremental control
-World bounds without the need for colliders
-Open code, all settings available to be tweaked runtime from other scripts.
-Fully Tooltipped so you'll never need to access a readme to see what things do!

Simple Demo: https://goo.gl/0Majzp