Lens – Angle of View
The angle of view decreases when the focal length increases.
The angle of view decreases when the focal length increases.
A wide angle lens has a wide angle of view, a large depth of field range and exaggerates perspective.
Characteristics and poperties explained through lenses with a fixed focal length.
Perspective: the relative proportions between the image elements. These proportions suggest depth in a flat plane.
By moving the subject and horizon away from the center you get more natural proportions.
The focus ring on your lens allows you to focus manually. A camera with autofocus focuses when the shutter release button is half-depressed.