How to Adjust the camera angle via the trackball in Blender
Using the trackball technique you may quickly, and easily adjust your camera angle from the camera view. This is a much more efficient method of setting the angle than doing so manually. Whether you're new to the Blender Foundation's popular open-source 3D computer graphics application or are a seasoned digital artist merely on the lookout for new tips and tricks, you're sure to be well served by this free video software tutorial from the folks at CG Cookie. For more information, including step-by-step instructions, take a look!