X-sync socket – Pentax K20D User Manual

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You can connect an external flash to the
camera with a sync cord by using the X-sync
socket.

X-sync Socket

• The use of high-voltage or high-current external flashes may cause a camera

breakdown.

• When a cord is connected to the X-sync socket, linked functions will not work.
• To prevent vignetting caused from Trailing curtain sync, it is recommended

to take a test shot using a shutter speed one level slower than the flash sync
speed.

• The contact of the X-sync socket is not splash and dust resistant. Attach the

provided Sync socket 2P cap when not in use.