A Brief Summary.

Camera Basics

• Light tight Body
• Lens to focus the image
• Means to capture the image
• Aperture through where the light passes
• Shutter to begin and end exposure 

Aperture

• Hole or Opening
• Controls the exposure
• Light = Small numbers = Large opening
• Water House Stops

Shutters

• Begining & end to exposure
• Low light requires a long exposure
• Focal plane shutter or BTL/Leaf

Focal Plane

• Opening in front of the film

EXPOSURE = Time x Intensity

• Eg. Shutter x Aperture