Off-Camera Flash Optical Sync

There are many ways to trigger an off-camera flash so lets start with the very basics. Getting the flash off your camera gives you much greater control of your light and far more freedom to be creative. There are four basic ways to trigger your off-camera flash. Optical sync, where you trigger the flash with another flash, PC Sync, where you trigger the flash with a PC Sync cable that attaches to your camera and to the flash, Infrared, where you are using an infrared signal to communicate between your camera and your flash, and, Radio, where you use radio triggers to sync your flash. All of these methods work and offer different challenges, pros and cons. The most basic and least expensive may be optical sync, provided you have a built-in flash on your camera.

Experiment with placement, flash-to-subject distance, and flash power. Have fun and be creative!

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