Canon EOS40D instruction manual Using Non-Canon Flash Units, 106, Sync Speed, PC Terminal

Models: EOS40D

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External Speedlites

Using Non-Canon Flash Units

Sync Speed

The camera can synchronize with compact, non-Canon flash units at 1/ 250 sec. or slower shutter speeds. With large studio flash, the sync speed is 1/60 sec. or slower. Be sure to test the flash unit beforehand to make sure it synchronizes properly with the camera.

PC Terminal

The camera’s PC terminal is provided for flash units having a sync cord. The PC terminal is threaded to prevent inadvertent disconnection.

The camera’s PC terminal has no polarity. You can connect any sync cord regardless of its polarity.

Cautions for Live View shooting

When using a non-Canon flash unit for Live View shooting, set the

[6 Live View function settings] menu's [Silent shoot.] to [Disable] (p.113). The flash will not fire if it is set to [Mode 1] or [Mode 2].

If the camera is used with a flash unit or flash accessory dedicated to another camera brand, the camera may not operate properly and malfunction may result.

Do not connect to the camera’s PC terminal any flash unit requiring 250 V or more.

Do not attach a high-voltage flash unit on the camera’s hot shoe. It might not work.

A flash unit attached to the camera’s hot shoe and a flash unit connected to the PC terminal can both be used at the same time.

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Page 106
Image 106
Canon EOS40D instruction manual Using Non-Canon Flash Units, 106, Sync Speed, PC Terminal