Canon 50D Crash Course

Photography Lessons: Beginner  |  Intermediate  |  Advanced  |  Expert

ISO Sensitivity

The ISO/ASA setting of your camera controls how sensitive the sensor will be to light. This is a good thing to know when shooting in very bright or very dark lighting situations. Learn what the ISO values mean, and what they can do for you.

Download ISO Homework

More on Film Speed!

Select an Intermediate Lesson:

What is Exposure?
What is Shutter Speed?
Shutter Speed Quiz
What is Aperture?
Aperture Sizes
Depth of Field
SLRs vs Point and Shoots
ISO Sensitivity
Shooting Modes
White Balance
Basic Lens Care | Cleaning Your Camera Lens
Silhouette Shooting for NEW SLR Photographers
Photoshop Layers
Flash Exposure Compensation

Canon T1i Crash Course DVD Accessories For DSLRs Advanced Photography Techniques DVD Canon 580 & 430 Speedlite Crash Course DVD Canon T3i Crash Course Training Video