This over-the-shoulder shot was filmed with am extreme wide-angle lens. This lens is a 14mm lens on a motion picture camera. On a 35mm still film camera, this lens would be a 24mm lens which is about as wide a still camera lens you can buy that is not spherical. It is very short lens but has a huge amount of glass.

This lens has a 77 field of view (measured horizontally.) (rough estimate)

This screen shot was created using the free demo version of FrameForge 3D Studio 2 which is a wonderful program for learning about the emotions created using different lenses.

A strong wide-angle lens

This over-the-shoulder shot was filmed with am extreme wide-angle lens. This lens is a 16mm lens on a motion picture camera. On a 35mm still film camera, this lens would be a 28mm lens which is about as wide a still camera lens you can buy that is not spherical. It is very short lens but with lots of glass.

This lens has a 68 field of view (measured horizontally.)

This screen shot was created using the free demo version of FrameForge 3D Studio 2 which is a wonderful program for learning about the emotions created using different lenses.

A moderate wide-angle lens

This over-the-shoulder shot was filmed with a moderate wide-angle lens. This lens is a 24mm lens on a motion picture camera. On a 35mm still film camera, this lens would be a 35mm lens which is the widest lens you get with a cheap camera.

This lens has a 55 field of view (measured horizontally.)

This screen shot was created using the free demo version of FrameForge 3D Studio 2 which is a wonderful program for learning about the emotions created using different lenses.

A neutral lens

This over-the-shoulder shot was filmed so it appears if viewed by the human eye. On a 35mm motion picture camera, this lens has a focal length of 33mm. The lens is a 48mm lense (in 35mm still equivalents) which has about a 45 degree view (horizontal).

All still film cameras come with a 50mm lens because this is the cheapest lens.

This screen shot was created using the free demo version of FrameForge 3D Studio 2 which is a wonderful program for learning about the emotions created using different lenses.

Notice:The above information is from Wiki