Wednesday, August 15, 2012

Homework: Electronic Flash Questions

How does electronic flash work? 

- Turn flash on
- Battery charges capacitor
- Xenon gas in tube does not conduct electricity
- Trigger circuit creates elecro-magnetic field around tube which Ionises (excites) gas inside
- Charge can now pass through the gas
- FLASH

My camera's synchronisation speed


Powerpoint: Artificial Light























Course Outline