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Terminologies and compatability of Sony Alpha flash and camera body

Terminologies and compatability of Sony Alpha flash and camera body

Came across an article written by my Malaysian friend Albert who is an expert of Alpha mount equipment. Trust this is very useful for rookies like me and a quick reference for other experienced users.

Definition of:

Trigger off-camera: To send an encoded pulse of light via a mounted flash or pop-up flash, to an off-camera flash that understands this signal. This does not include radio triggers in the equation.

CTRL+, also known as CTRL1: The wireless signal sent by the F43 and F58, which supports the ability to set the power for 3 groups - CTRL (the flash on camera itself), RMT (the first off-camera group) and RMT2 (the second off-camera group). The F42 can be set to be in the RMT group but not the RMT2 group. The F43 and F58 can be set to be in either the RMT or RMT2 group.

Note that the F36 and F56 do not support this protocol and will not flash.

Off-camera flashes that support CTRL+/CTRL1: F42, F43, F58
On-camera flashes that can send CTRL+/CTRL1: F43, F58

CTRL, also known as CTRL2: The older wireless signal sent by all Sony Alpha pop-up flashes. The F20, F43 and F58 can be mounted on the A850 and A900 to send the CTRL/CTRL2 signal, as well. The A700 can use the F43 and F58 on camera to send a CTRL1 signal, but not the CTRL2 signal.

Off-camera flashes that support CTRL/CTRL2: F36, F42, F43, F56, F58
On-camera flashes that can send CTRL/CTRL2 on the A850 and A900: F20, F43, F58

Sorted by body:


NEX-3, NEX5

- Does not support the Sony wireless protocol at all at the moment.


A100, A200, A230, A290, A300, A330, A350, A380, A390, A450, A500, A550, A560, A580, A33, A55

- Can only use the pop-up flash to trigger off-camera: F36, F42, F43, F56, F58.

- Cannot use the F20, F36, F42, F43, F56, F58 when mounted on camera, to trigger off-camera Sony flashes.


A700

- Can use the pop-up flash to trigger off-camera: F36, F42, F43, F56, F58.

- Can use the F43 and F58 when set to CTRL+/CTRL1 (3-group wireless - CTRL, RMT, RMT2) to trigger the F42, F43 and F58.

- Cannot use the F20 to trigger off-camera flashes namely the F36, F42, F43, F56 and F58.

- Cannot use the F43 or F58 to trigger off-camera flashes in the CTRL/CTRL2 mode.


A850, A900

- Has no pop-up flash.

- Can use the F43 and F58 to trigger off-camera flashes that understand CTRL+/CTRL1 to trigger the F42, F43 and F58.

- Can use the F20 to trigger off-camera flashes that understand CTRL/CTRL2 namely the F36, F42, F43, F56 and F58.

- Can use the F43 or F58 to trigger off-camera flashes that understand CTRL/CTRL2 namely the F36, F42, F43, F56 and F58.  



Thanks Albert!

[ 本帖最後由 Eagol 於 1 / 6 / 2011 20:23 編輯 ]

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Hong Kong Minolta User Group (HKMUG) » 攝影、閃燈技術討論 » Terminologies and compatability of Sony Alpha flash and camera body
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