Lenses and Photography Vocabulary

I would use a telephoto lens to get a closer look at the person or thing that I'm taking a picture of.

I would use a prime lens to take a picture when it's dark outside and i can't really see or where there is low light and I want to have fine detail.

I would use a wide-angle lens if i would want to get a big background in the picture.

Depth of field- the range of distances along the axis of an optical instrument, usually a camera lens, through which an object will produce a relatively distinct image.

Light(angle and intensity)- something that makes things visible or affords illumination.

Shadows- a dark figure or image cast on the ground or some surface by a body intercepting light.

Diffusion- a reflection or refraction of light or other electromagnetic radiation from an irregular surface or an erratic dispersion through a surface; scattering.

Exposure- presentation to view, especially in an open or public manner.

Aperture (f-stop)- an aperture is a hole or an opening through which light travels. 
  
Shutter speed- Shutter speed along with the aperture of the lens determines the amount of light that reaches the film or sensor.

ISO- An ISO image is an archive file of an optical disk, a type of disk image, composed of the data contents of every written sector of an optical disc, including the optical disc file system.