Object and Animation Basics - Blender Foundations: The Essential Guide to Learning Blender 2.6 - page 31

selections yet, but, come on! You should have
expected that somehow you'd be selecting
objects for some reason or another.)

Perspective and Orthographic View
The world around you is in a perspective mode.
The world inside certain games is orthographic,
lacking perspective. Figures 3.3 and 3.4 show the
obvious difference.

Almost always, your final renders will be in Per-
spective mode, because that's how we perceive
things, and that's what makes the most believable
images. All renders in Blender are made from a
camera object, and you have to go out of your
way to force a camera not to draw things with
perspective.

Figure 3.2 A visualization of the view shortcuts.

Figure 3.3 A city street with converging buildings shows the main feature of perspective: objects decrease in apparent size with
distance. (Photo by OiMax, Creative Commons Attribution 2.0 Generic.)