What is 2nd curtain sync?

Second curtain flash is where the photographer needs to use a long shutter speed to expose for the background, together with a flash to illuminate a foreground subject. With Second Curtain Flash – also known as Rear Curtain Sync – the flash fires at the end of the exposure.

What is the difference between first and second curtain sync?

With 1st-curtain sync, the flash fires at the start of ambient exposure … the subject moves in relation to the camera (ie, we’re not panning the camera), and at the end of the ambient exposure, the shutter just closes. With 2nd-curtain sync, the flash fires at the end of ambient exposure.

What is second curtain sync?

Second curtain sync is when the flash is triggered just at the end of the shutter opening time. Conventionally the flash fires at the start of the exposure when the first shutter curtain has fully uncovered the sensor, and there’s a visual difference in photos if the subject is moving.

What does rear curtain sync mean in photography?

Conventionally the flash fires at the start of the exposure when the first shutter curtain has fully uncovered the sensor, and there’s a visual difference in photos if the subject is moving. Rear curtain sync is also used to describe what Canon manuals call second curtain sync.

Does canon wireless camera support second curtain sync?

There’s a few points to note about Canon’s implementation of second curtain sync. Canon wireless systems, radio and optical, do not support second curtain sync. You need to use a slow enough shutter speed for second curtain sync to operate. I still cannot work out why Canon’s radio wireless system doesn’t allow second curtain sync.

How to set second curtain sync on Speedlite camera?

Setting second curtain sync can be done on the Speedlite or from camera menu, here’s how. If you have a recent model Speedlite and camera than you can set second curtain flash using the menu on the camera. Here I’m using an EOS 7D Mark II with an Speedlite 430EX III-RT on the hotshoe.