Chapter 4 Cameras and Photography http://www.techxhome.com/lightsite/optics/lenses/principleRays.html

4.1 Camera: Essential Parts 1-Light Tight box 2-Lens (movable) 3-Diaphragm 4-Shutter 5-Film (Sensor)

4.2 Depth of Focus, Depth of Field

Early View Cameras

Single-Lens Reflex (SLR) Camera

Precision Focusing: Biprism

Precision Focusing: Rangefinder

4.3 Effect of the Focal Length: Image Size

Telephoto and Vide-Angle Lenses

4.3.B Is perspective distorted?

4.4 Camera Lenses Simple (Cheap Cameras!)

4.4 Camera Lenses Compound Lenses Example of a simple telephoto lens

Compound Lenses (SLR Camera)

Zoom Lenses: Variable Focal Length

The Shutter

Shutter Speed (1/sec.)

Stops f-number: f/d

Controlling Depth of Field http://www.88.com/exposure/simcam.htm

Let’s take a picture ! Sim-Cam http://www.88.com/exposure/simcam.htm

4.7.c Modern Film Emulsion (Silver halide grains) Film base Antihalation backing

Film Sensitivity: H&D Curves Sensitivity Index: ASA , DIN, ISO