Chelsey, Autumn & Gabriella Rear Curtain Flash Chelsey, Autumn & Gabriella

What is it? Rear curtain sync is a flash mode which fires the flash at the end of the exposure. If the subject is moving right to left, they will be frozen to the left with a ghost trail to the right. In other words, when you press the shutter on your camera, your lens opens up and starts recording light. Just before your shutter closes the flash will fire which will freeze whatever is in your frame.

This technique is very similar to “First Curtain Sync”, the difference is that in “First Curtain Sync” the flash would fire at the beginning of the exposure.

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How is it done? Most importantly, you must shoot on a manual mode where you can control the length of your exposure. In most camera menus, there is an option called “Rear Curtain Sync”. This option forces your camera to fire the flash at the end of the exposure. Adjust your exposure times according to how much movement you want to record. Shoot in a low light situation, or else your pictures will be over exposed due to the long exposure.

Why is it Used? This technique allows the photographer to show movement in the photo. It is often used in sport photography to show the speed or motions of the athlete. This technique is commonly used in photography to achieve a creative effect.

Problems You cannot use a faster shutter speed than the sync speed with flash, or else you will get a partial blackout of the image. If you are shooting in a situation with a lot of light, capturing the ghost like movement can be hard, and you risk getting an image that is over exposed. Make sure you are properly controlling your light. Getting the perfect exposure may take a couple of tries.

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