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How to use the AF-Assist Beam and what is its coverage on the 320EX Speedlite
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The effective range is approximately 4 m 1 13.1 ft. This function only works when used with an EOS digital camera with an external Speedlite control function. Depending on the camera model, the firmware of the camera may need to be updated .
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380EX Speedlite : How to use the AF-Assist Beam and what is its coverage
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If where you focus lack sufficient light or contrast, the Speedlite's AF- Assist beam is emitted automatically to help the camera autofocus. The AF-Assist beam is effective from 0.7 to 10 meters (2.3 to 33 feet) AF-Assist beam activation
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430EX Speedlite : How to use the AF-Assist Beam and what is its coverage
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Under low-light or low-contrast conditions , the built-in AF-assist beam will be emitted automatically to make it easier to autofocus. The 430 EX's AF- assist beam is compatible with the AF points of almost all EOS cameras . The AF-assist beam is compatible with 28mm and longer lenses.
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QuickGuide to Speedlite 600EX-RT Radio Wireless Flash Setup
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EOS cameras released since 2012 ... EOS cameras released before 2012 ... ... with the 600 EX -RT with ... used in optical wireless E-TTL ... INITIAL WIRELESS RADIO FLASH SETUP ... transmission channels and wireless radio IDs. ... : Press the Wireless Flash Button until ... The wireless flash cycle via ... Conventional on- camera flash > Radio ... ... : Press the Wireless Flash Button until ... ... , the 600 EX -RT will ... ... to the same Wireless Radio Channel. ... any other 600 EX -RT shooter ... WIRELESS E-TTL ... ... ) on your camera , as necessary ...
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Explanation of AF assist beam operation
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AF-Assist Beam Turning the AF- assist beam off may make it more difficult for the camera to focus.
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Wireless Speedlight Syncing Issues
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What to check if your wireless Speedlights will not stay synced with each other or with the camera
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QuickGuide to Speedlite 600EX-RT Optical Wireless Flash Setup
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3. Speedlite 600EX-RTs used as receiver units in an evenpower set-up can be assigned to any group — A, B or C. (Groups D and E are not available in optical wireless mode.) 4. Position the camera and receiver unit(s) within the correct operating range (10 meters/33 feet indoors), and so that the flash sensors on the front of the receiver units (under the Canon logo) are pointed toward the master.
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550EX Speedlite : How to set up wireless E-TTL Autoflash with Flash Ratio ON.
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As shown in the figure below, the wireless E-TTL autoflash system described as an example consists of a sender unit set to sender flash OFF and two receiver units. The receiver ID of the receiver unit on the camera's left is A The receiver ID of the receiver unit on the camera's right is B
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580EX Speedlite : How to set and use wireless flash with three receiver groups.
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dial to set the flash ratio 8. Set the camera and shoot, set the camera in the same way as with normal flash shooting. With the EOS ELAN II / ELAN II E / 50 / 50E, EOS REBEL G/500N, EOS IX, EOS IX LITE/IX7, EOS REBEL 2000/300 and REBEL XS N/REBEL G II/EOS 3000N/66, the flash ratio cannot be set with multiple Speedlites
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Countries and Regions Permitting Wireless Communication Function Use (MT-26EX-RT)
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Use of wireless communication functions is restricted in some countries and regions, and illegal use may be punishable under national or local regulations. Note that Canon can not be held liable for any problems arising from wireless communication function use in countries and regions other than those listed above.
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