Saturday, April 12, 2008
Thursday, April 10, 2008
HOw to set canon 580 as a slave
1 Set the camera-attached 580EX as
the mas
ter unit. Set the wireless selector to 2 Set the slave 580EX Speedlites as the slave unit. Set the wireless selector to
3 Check the communication channel.
If the master unit and slave unit(s) are set
to a different channel, set them all to the
same channel (p.37).
4 Position the camera and Speed l i t es
as desired.
Position the Speed lites within the range
shown on the next page.
5 Set the master unit's flash mode to
The slave unit(s) will also be automatically
set to
6 Check that the flash is ready.
When the slave unit is ready to fire, the AF-
assist beam will blink once each second.
7 Check the flash operation.
Press the master unit's test firing button.
The slave unit will fire. If the flash does not
fire, adjust the slave unit's angle toward the
master unit and distance from the master
unit.
8 Set the camera and shoot.
How To Slave an SB-800
1. First, turn on your flash.
2. Now get into the submenu by pressing and holding the "sel" button for 2 seconds.
3. Arrow right (the "single tree" button) to get the upper right quadrant highlighted.
4. Push the select button again.
5. Scoll down ("-" button) until "SU-4" is highlighted.
6. Push "sel" again to select.
7. Push and hold "sel" for 2 seconds to get out of the submenu.
8. Your flash will now say "REMOTE."
You are now in SU-4 mode, a legacy, wireless, quasi-TTL mode for which the SB-800 is backward compatible. But you are not going to use it for TTL. By pressing the "mode" button you can toggle between automatic and manual. Choose manual.
By pressing the "+" or "-" buttons, you can change power in 1/3-stop increments all the way to 1/128 power.
You now have a flash that'll slave to any other flash. You want to use both in the manual mode, so they will not influence each other's output.
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