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What is Flash High-Speed Sync and Why Do You Need it?

Using flash is already complicated enough, but adding in a fast shutter speed makes it even harder. In these two videos, you will learn about your camera’s flash sync speed and why it’s limited. Then you’ll see what you can do to solve it and use faster shutter speeds using something called high-speed sync.

Flash sync speed and high-speed sync explained

In this first video, Matt Granger explains the mechanics of what is going on inside your camera and why it has a maximum flash sync speed. With the use of some great slow-mo clips, you will see inside the camera to learn exactly what happens when you press the button.

High-speed sync in action on location

In this next video, J.P. Morgan from The Slanted Lens will walk you through exactly what high-speed sync is and why it’s needed. You’ll learn how your camera shutter works and why your camera sync-speed won’t let you use fast shutter speeds with flash without high-speed sync (often referred to as, HSS).

He is using the some of following gear:

Conclusion and more learning

If you need more help using your flash check out these dPS articles:

Read more from our Tips & Tutorials category

Darlene Hildebrandt
Darlene Hildebrandt

is an educator who teaches aspiring amateurs and hobbyists how to improve their skills through free articles on her website Digital Photo Mentor, online photography classes, and travel tours to exotic places like Peru, Thailand, India, Cuba, Morocco, Bhutan, Vietnam and more. To help you improve and learn she has two email mini-courses. Sign up for her free beginner OR portrait photography email mini-course here. Or get both, no charge!

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