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QuickGuide to Speedlite 600EX-RT Custom and Personal Settings
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... 1/32 power ... /1 full power ... require more battery power and a longer ... ... A full- power test flash can ... of remaining battery power , because the ... the less battery power you have left ... ... – AF- assist beam ... the flash’s autofocus assist beam off can ... ... to conserve battery power during multi- ... ... set the same power -off time ... ... the receiver automatically powers off, you ... to use its power switch to turn ... ... recycle with external power ... External & internal power ... 1: External power ... use the combined power of internal and ... use only external power .
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QuickGuide to Canon 270EX II Speedlite Features
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Longer shutter speeds will allow longer ambient light exposures to help prevent dark backgrounds; however, long exposures also risk blur from subject or camera motion. Smaller apertures provide more depthof-field but require more flash power and reduce the maximum flash range.
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QuickGuide to Canon 320EX Speedlite Features
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This is particularly useful when shooting video, as a modeling light, or as an AF assist beam (with Live View). ... It will automatically shut off after 60 minutes of idle use to conserve battery power . If battery power is low the LED Light will not turn on, even if the flash ready light is lit, in which case you should replace the batteries.
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Added Control with Speedlite 470EX-AI's Personal Functions
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... — AF- assist beam method ... of focus- assist beam will be ... ... , low- power flashes from the ... However, this does mean that full power isn’t available to the flash (until it’s fully recycled), so some photographers prefer to disable Quick Flash, and avoid any risk of firing a second quick shot if there’s a risk of under-exposing a distant subject.
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Specifications of the 550EX Speedlite.
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AF- assist beam emitter blinks Flash Modes ... Power Source Size-AA alkaline LR6 batteries (6 V) x 4; Size-AA Nicad KR 15/51 batteries x 4 Size-AA Lithium FR6 batteries (6 V) x 4 External Power Source ... With the power switch set to SE, the Speedlite enters the SE mode as follows:
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QuickGuide to Speedlite Transmitter ST-E3-RT Setup
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... Manually-set power output and exposure ... to turn the power off and on ... ... UNITS AT EQUAL POWER ... the AF- assist beam emitter on ... ... can adjust the power ratio only between ... ... If a receiver powers -off, ... ... to conserve battery power . ... to adjust its power : Press Fn ... ... . Set the power output for each ... a. While a firing group is selected, press Fn Button 3 <* ±> to highlight the analog scale for flash exposure compensation (E-TTL or Ext.A modes) or manual flash power (M mode).
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QuickGuide to Speedlite 600EX-RT Radio Wireless Flash Setup
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... Manually-set power output (you ... ... to turn the power off and on ... ... the AF- assist beam emitter on ... In either case, you can adjust the power ratio only between groups A and B. Group C is independent of A and B, and is best used for background or accent lighting, rather than lighting the main subject. ... You can use Flash C.Fn 10-1 to change this to 10 minutes to conserve receiver unit battery power .
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Explanation of AF assist beam operation
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220EX Speedlite : How to use the AF-Assist Beam and what is its coverage
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How to use the AF- Assist Beam and what is its coverage
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Speedlite EL-100 Nomenclature
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Nomenclature (1) Flash head (Light-emitting unit) (7) Power lamp (2) Optical transmission wireless sensor (8) Battery compartment cover (3) Mounting foot (9) Mode dial (4) Contacts (10) Mounting foot lock lever (5) Bounce angle index (11) Flash-ready lamp (6) Channel switch (12) Lock-release button Accessories Provided
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