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CMS-XML 220EX Speedlite : How to use the AF-Assist Beam and what is its coverage
The Speedlite 220EX AF-Assist beam is emitted automatically to enable precise autofocus under dim light and low contrast conditions. The AF- Assist beam is effective from 1 to 5 meters (3.3 to 16.4 feet)
CMS-XML QuickGuide to Speedlite 600EX-RT Custom and Personal Settings
1: Flash ready lamp only By default, the AF-assist beam lamp of each receiver unit will blink when the unit is fully charged. Set this function to 1 if you do not want the AF- assist beam to blink and prefer to use the flash ready lamp alone. You must set this function
CMS-XML 380EX Speedlite : How to use the AF-Assist Beam and what is its coverage
Speedlite 380EX's AF-assist beam is linkable only to the center focusing point. If the camera has only one focusing point (AF frame) the Speedlite's AF- assist bean is emitted. If the camera has multiple focusing points, the camera's AF-assist beam is emitted instead.
CMS-XML Added Control with Speedlite 470EX-AI's Personal Functions
This Personal Function controls which type of focus- assist beam will be used, when it’s mounted directly on an EOS camera, and One -Shot AF is active on the camera. The default is the near-infrared, patterned beam emitted from a section of the front of the Speedlite.
CMS-XML How to use the AF-Assist Beam and what is its coverage on the 320EX Speedlite
] during Live View shooting or movie shooting. 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.
CMS-XML Explanation of AF assist beam operation
CMS-XML How to use the AF-Assist Beam and what is its coverage on the 430EX II Speedlite
How to use the AF- Assist Beam and what is its coverage
CMS-XML Specifications of the 550EX Speedlite.
Direct- sync, shoe-mount flash with E-TTL/TTL autoflash control and wireless transmission/reception (E-TTL preflash, AF- assist beam, auto zoom, and bounce flash). Compatible Cameras
CMS-XML MR-14EX : How to turn on the Focusing Lamps.
In low-light or when the viewfinder image gets darker at high magnification, it becomes difficult to achieve correct focus. In such cases, the focusing lamp can assist with focusing.
CMS-XML List of custom functions available on the 430EX Speedlite.
C.Fn-04 AF- assist beam OFF 0
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