Flash Basics

Ambient Light-the existing light that you cannot control

Fill Flash-brightens shadows

Built-in flash-part of the camera and throws light about 6 to 10 feet

External flash-added to the camera on the hot shoe and can throw light 15 to 20 feet 

ETTL (Evaluative-Through The Lens) is a Canon EOS flash exposure system that uses a brief pre-flash before the main flash in order to obtain a more correct exposure.

Fill Flash

Use M or manual.

1/1 is full power. Full stops are 1/2, 1/4, 1/8/ 1/16, 1/32, 1/64, 1/128.

Use Zoom to spread or focus the light. Wide angle numbers (smaller numbers) spread the light as for a wider shot with a wide angle lens. Higher numbers focus the light for a telephoto shot.

High speed sync-allows the camera to be set at shutter speeds higher than the camera sync speed 



On-camera Flash


Final Project

All the World Photo Contest entry – 4 pts – Proof of entry due May 24th