Canon SPEEDLITE 600EX-RT Manual De Instrucciones página 42

o Color Filter
Commercially-available Color Filters
When using a commercially-available 75 x 75 mm filter (3 in. x 3 in.), disable the
automatic filter detection function (P.Fn-05-1/p.102). If you use a commercially-
available color filter with P.Fn-05-0 set, <l> may be displayed. Shoot a
picture with the filter attached in the actual shooting environment and set it for
manual white balance. Take the picture with the white balance set to <c>.
The flash guide number decreases when you use a color filter. When
performing manual flash or stroboscopic flash with one of the supplied
color filters, set flash exposure compensation according to the following
guidelines.
[Low] Orange:+1/3 stop, [High] Orange: +1 stop
When P.Fn-05-0 is set, if you use a commercially-available color filter
whose color is close to the supplied color filters, <l> may not be
displayed.
As shown in step 1 on the preceding page, attach the filter all the way to
the position of the filter attachment pins on the holder. If the filter is not
attached correctly, it may not be detected.
When using a filter, the use of full power or continuous flashes is not
recommended. The filter may deform due to the heat of the flash.
The denser the color of the filter, the more likely it is to deform due to the
heat of the flash.
With cameras that are not compatible with color temperature information
transmission (p.20), set the white balance to <c> and shoot in the
same way as described in "Commercially-available Color Filters".
When using a commercially-available coloring filter, you do not need to
set the white balance to <c>.
Attaching the holder does not affect the flash coverage.
Even if the filter deforms due to the heat of the flash, it does not affect its
compensation effect.
Filters are consumable parts. When the supplied filters have worn out or
degraded, purchase new genuine filters.
If dirt or dust adheres to a filter, wipe it off with a soft, dry cloth.
If the color filter sensor (p.6) or the holder reflection area (p.11) is dirty or
dusty, clean it with a blower or similar tool.
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With EOS digital cameras released
since 2012, you can also set the white
balance to <A> for shooting.
Check the resulting image, and
perform WB compensation as required.