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INSTRUCTION
MANUAL
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Summary of Contents for Canon 0585C006

  • Page 1 INSTRUCTION MANUAL...
  • Page 2: Introduction

    Introduction The Canon Speedlite 430EX III-RT/430EX III is an EOS-dedicated external Speedlite, compatible with E-TTL II/E-TTL autoflash systems. Wireless Flash Shooting 430EX III-RT 430EX III Sender – Radio transmission wireless function Receiver – Sender – – Optical transmission wireless function...
  • Page 3: Chapters

    Chapters Introduction Getting Started and Basic Operations Preparing for flash shooting and basic flash shooting Advanced Flash Photography Advanced shooting utilizing the flash shooting functions Setting Flash Functions with Camera Operations Setting the flash functions from the camera’s menu screen Wireless Flash Photography: Radio Transmission Wireless (sender/receiver) flash shooting using radio transmission Wireless Flash Photography: Optical Transmission...
  • Page 4: Conventions Used In This Manual

    Personal Functions of the Speedlite, and the menu and Custom Functions of the camera are at their default settings. All figures are based on the use of four AA/LR6 alkaline batteries  and Canon’s testing standards. The explanations use Speedlite 430EX III-RT illustrations. ...
  • Page 5: Table Of Contents

    Contents Introduction Chapters ..................3 Conventions Used in this Manual ............ 4 Index to Features ................7 Safety Precautions................8 Nomenclature..................10 Accessories provided ..............14 Getting Started and Basic Operations Installing the Batteries..............16 Attaching and Detaching the Speedlite to and from the Camera..17 Turning on the Power..............
  • Page 6 Contents Wireless Flash Photography: Radio Transmission ' Radio Transmission Wireless Flash Shooting ......46 Wireless Settings................50 a: Fully Automatic Wireless Flash Shooting ......55 5: Wireless Multiple Flash Shooting with Flash Ratio....59 q: Wireless Multiple Flash Shooting with Manual Output ..... 62 [: Shooting in a Different Flash Mode for Each Group ....
  • Page 7: Index To Features

    Index to Features Power Source Color filter p.37  Clearing settings  p.16 Batteries (Reverting to defaults)  p.38 Firing interval/ Flash function settings  p.39 frequency  p.16 Flash firing restriction  p.92 Power ON/OFF  p.18 Type-B camera ...
  • Page 8: Safety Precautions

    Make sure to thoroughly understand and follow these precautions before using the product. If you experience any malfunctions, problems, or damage to the product, contact the nearest Canon Service Center or the dealer from whom you purchased the product. Follow the warnings below. Otherwise, death or Warnings: serious injuries may result.
  • Page 9 Safety Precautions Keep the equipment out of the reach of children and infants, including when in use.  Straps or cords may accidentally cause choking, electrical shock, or injury. Choking or injury may also occur if a child or infant accidentally swallows a part or accessory. If a child or infant swallows a part or accessory, consult a physician immediately.
  • Page 10: Nomenclature

    Nomenclature Catchlight panel (retracted) (p.29) Wide panel (retracted) (p.33) Flash head (Light-emitting unit) Bounce adapter detector Color filter detector AF-assist beam emitter (p.22) Optical transmission wireless sensor Mounting foot (p.17) Locking pin Contacts...
  • Page 11 Nomenclature Color filter attachment (p.37) Bounce angle index (p.28) Bounce adapter <D> attachment (p.30) Radio transmission confirmation lamp* (p.53, 56) <z> Bounce lock release button (p.28) Battery compartment LCD panel cover (p.16) <1> Power switch (p.18) Sub-menu button <K> : Power on (p.38, 52, 54, 74, 80) <a>: Button/Dial lock (Power on)
  • Page 12 Nomenclature LCD Panel E-TTL II/E-TTL Autoflash (p.21) 2 : First-curtain sync : Charge indicator (p.18) (Normal shooting) (p.42) : Automatic r : Second-curtain sync : Manual (p.32) (p.27, 42) : Zoom display (p.32) : High-speed sync (p.26, 42) : Wide panel + bounce warning a : E-TTL II/E-TTL : Outside of flash...
  • Page 13 Nomenclature Radio Transmission Wireless Shooting/ (p.45/71) Optical Transmission Wireless Shooting Radio transmission wireless: Sender unit (430EX III-RT only) : Radio transmission wireless shooting Flash mode h : Sender setting a : E-TTL II/E-TTL autoflash : Sender unit/ q : Manual flash Receiver unit [ : Group flash charge status...
  • Page 14: Accessories Provided

    Nomenclature Accessories provided (Common to 430EX III-RT/430EX III) Shoe Mini stand pocket Mini stand Speedlite case (p.47, 72) Bounce adapter Color filter SCF-E2 Bounce adapter/ SBA-E2 (p.37) color filter case (p.30)
  • Page 15: Getting Started And Basic Operations

    Getting Started and Basic Operations This chapter describes the preparations before starting flash photography and the basic shooting operations. Cautions for firing continuous flash To avoid degrading and damaging the flash head due to  overheating, do not fire more than 20 continuous flashes. After 20 continuous flashes, allow a rest time of at least 10 min.
  • Page 16: Installing The Batteries

    Normal Flash Approx. 0.1 to 2.5 sec. Approx. 0.1 to 3.5 sec. Approx. 180 to 1200 times Based on new AA/LR6 alkaline batteries and Canon’s testing standards.  The Quick flash function enables flash shooting before the flash is fully ...
  • Page 17: Attaching And Detaching The Speedlite To And From The Camera

    Attaching and Detaching the Speedlite to and from the Camera Using AA/R6 batteries other than the alkaline type may cause contact failure due to the irregular shape of the battery contacts. When <!> is displayed or the LCD panel display turns off during ...
  • Page 18: Turning On The Power

    Turning on the Power Set the power switch to <K>.  The flash recycling starts.  During recycling, <G> is displayed on the LCD panel. When flash recycling is complete, this indicator disappears. Check that the flash is ready. The status of the flash-ready lamp ...
  • Page 19 Turning on the Power Lock Function By setting the power switch to <a>, you can disable the flash’s button and dial operations. It is effective when you want to prevent the flash function settings from being accidentally changed after you set them. If you operate a button or dial, <k>...
  • Page 20: A: Fully Automatic Flash Photography

    a: Fully Automatic Flash Photography When you set the camera’s shooting mode to <V> (Program AE) or fully automatic mode, you can shoot in E-TTL II/E-TTL fully automatic flash mode. Set the flash mode to <a>. Press the <E> button of the ...
  • Page 21: E-Ttl Ii/E-Ttl Autoflash By Shooting Mode

    E-TTL II/E-TTL Autoflash by Shooting Mode Simply set the camera’s shooting mode to <X> (shutter-priority AE), <W> (aperture-priority AE), or <q> (manual exposure) and you can use E-TTL II/E-TTL autoflash suitable for each shooting mode. Select this mode when you want to set the shutter speed manually. The camera will then automatically set the aperture matching the shutter speed to obtain a standard exposure based on the metering of the camera.
  • Page 22 E-TTL II/E-TTL Autoflash by Shooting Mode Auto Zoom Adjustment to Image Sensor Size EOS DIGITAL cameras have three sizes of image sensors, and the effective focal length of the attached lens varies depending on the model. 430EX III-RT/430EX III automatically recognizes the image sensor size of the EOS DIGITAL camera and automatically sets the flash coverage that is ideal for the effective focal length of the lens in the range of 24-105 mm.
  • Page 23: Advanced Flash Photography

    Advanced Flash Photography This chapter describes advanced shooting operations utilizing the flash functions. When the camera’s shooting mode is set to a fully automatic mode or a Basic Zone mode, the functions with M added to the right side of the page title cannot be set. Set the camera’s shooting mode to <d>, <s>, <f>, <a>, or <F>...
  • Page 24: Flash Exposure Compensation

    f Flash Exposure CompensationN With a similar procedure as exposure compensation, you can adjust the flash output. The flash exposure compensation amount can be set up to ±3 stops in 1/3-stop increments. Press the <O> button. Press the <O> button of the <S> ...
  • Page 25: 7: Fe Lock

    7: FE LockN The FE (Flash Exposure) lock locks the correct flash exposure setting for any part of the scene. While <a> is displayed on the LCD panel, press the camera’s < > button. For cameras without a < > button, press the <A>...
  • Page 26: High-Speed Sync

    c High-speed SyncN With high-speed sync, you can shoot with a flash even at shutter speeds that exceed the maximum flash sync speed. This is convenient when you want to shoot in the aperture-priority AE <f> mode (open aperture) with background blur in locations such as outdoors in daylight. Press <8>.
  • Page 27: Second-Curtain Sync

    r Second-curtain SyncN Shooting with a slow shutter speed and second-curtain sync captures the trajectory of the light sources of a moving subject, such as car lights, in a natural way. The flash fires right before the exposure finishes (shutter closes). Press <8>.
  • Page 28: Bounce

    m Bounce By pointing the flash head toward a ceiling or wall, the flash light will bounce off the surface before illuminating the subject, making it possible to soften the shadows of the subject for a more natural-looking shot. This shooting method is called “Bounce shooting”. Set the Bounce Direction You can turn the flash head while pressing the <z>...
  • Page 29: Catchlight Shooting

    m Bounce Since the flash guide number decreases in bounce shooting, focusing with AF- assist beam using a series of small flashes may not be possible. During bounce shooting, using infrared AF-assist beam is recommended (P.Fn-05-1/p.87). Catchlight Shooting Using the catchlight panel when shooting a portrait enables you to capture reflected light in a person’s eyes and create a more vivid expression.
  • Page 30: Bounce Adapter

    1.5 m/4.9 ft., at ISO 100), further suppressing the shadow of the subject. When shooting portraits, catchlight effect can also be obtained. Attach the bounce adapter. “Canon” logo Attach the adapter securely to the  flash head until it clicks in place, as shown.
  • Page 31 m Bounce When the bounce adapter is attached, or when the bounce adapter and  the wide panel are used together, underexposure may result since the flash output decreases. Take necessary countermeasures such as increasing ISO speed on the camera or applying flash exposure compensation (p.24).
  • Page 32: E: Setting The Flash Coverage

    e: Setting the Flash CoverageN Flash coverage (the range covered by the flash light) can be set automatically or manually. With the <L> (automatic) setting, the flash coverage is adjusted automatically according to the focal length (shooting angle of view) of the lens in use and the image sensor size (p.22).
  • Page 33: Wide Panel

    e: Setting the Flash CoverageN Wide Panel When you use the flash’s built-in wide panel together, you can perform flash shooting with ultra-wide angle lenses with a focal length up to 14 mm. Pull out the wide panel. Pull out the protruding area located in ...
  • Page 34: Q: Manual Flash

    q: Manual FlashN You can set the flash output from 1/1 full output to 1/128 power in 1/3- step increments. Use a flash meter (commercially available) to determine the required flash output to obtain a correct flash exposure. Setting the camera’s shooting mode to <W>...
  • Page 35 q: Manual FlashN Metered Manual Flash Exposures When using an EOS-1D series camera, the flash exposure level can be manually set before shooting. This is effective when you are close to the subject. Use a 18% gray reflector (commercially available) and shoot as follows.
  • Page 36: Modeling Flash

    Modeling FlashN When the camera’s depth-of-field preview button is pressed, the flash fires continuously for approx. 1 sec. This feature is called “modeling flash”. This is effective for checking shadow effects on the subject with the flash light and the lighting balance during wireless flash shooting (p.45, 71).
  • Page 37: Color Filter

    Attach the color filter. “Canon” logo Attach the filter securely to the flash  head until it clicks in place, as shown.
  • Page 38: Clearing Speedlite Settings

    Clearing Speedlite SettingsN With cameras that are not compatible with color temperature information  transmission (p.22), take a shot and set it for manual white balance using the color filter in the shooting environment, set the white balance to <O>, and shoot. Attaching the color filter to the flash head does not affect the flash ...
  • Page 39: Setting Flash Functions With Camera Operations

    Setting Flash Functions with Camera Operations This chapter describes how to set the flash functions from the camera’s menu screen. When the camera’s shooting mode is set to a fully automatic mode or a Basic Zone mode, the operations in this chapter are not available.
  • Page 40: Flash Control From The Camera's Menu Screen

    Flash Control from the Camera’s Menu Screen When using EOS DIGITAL cameras released in and after 2007, you can set flash functions or Custom Functions from the camera’s menu screen. For camera operations, refer to the camera’s instruction manual. Flash Function Settings Select [External Speedlite control].
  • Page 41 Flash Control from the Camera’s Menu Screen Settings Available on the Flash Function Settings Screen EOS DIGITAL cameras released in and after 2012  On the camera’s [Flash function settings] or [External flash func. setting] screen, you can configure normal shooting and radio transmission wireless shooting settings.
  • Page 42 Flash Control from the Camera’s Menu Screen Flash firing  To perform flash shooting, set to [Enable]. To use the flash’s AF- assist beam only, set to [Disable]. E-TTL II flash metering  For normal exposures, set it to [Evaluative]. If [Average] is set, the flash exposure will be averaged for the entire scene metered by the camera.
  • Page 43 Flash Control from the Camera’s Menu Screen Wireless flash functions  You can set radio transmission wireless flash shooting. For details, see Chapter 4 (p.45). Clear settings  You can revert the settings of Speedlite to their default settings. When P.Fn-05-0 is set (p.87), AF-assist beam (p.22), which uses a ...
  • Page 44 Flash Control from the Camera’s Menu Screen Flash Custom Function Settings You can set Custom Functions for the Speedlite from the camera’s menu screen. The details displayed vary by the camera. If C.Fn-21 to 23 are not displayed, set them by operating the Speedlite. For the Custom Functions, see pages 83-85.
  • Page 45: Wireless Flash Photography: Radio Transmission

    Wireless Flash Photography: Radio Transmission This chapter describes wireless flash shooting using the radio transmission wireless sender/receiver function. For the accessories required for radio transmission wireless shooting, see the system map (p.90). For the regions of use, restrictions, and precautions related to radio transmission, see page 103.
  • Page 46: Radio Transmission Wireless Flash Shooting

    ' Radio Transmission Wireless Flash Shooting Using a Canon Speedlite (sender/receiver) equipped with the radio transmission wireless shooting function, you can easily perform wirelessly-controlled shooting with multiple flashes in the same way as normal E-TTL II/E-TTL autoflash shooting. The system is designed so that the settings of the 430EX III-RT (sender) attached to the camera are automatically applied to the wirelessly controlled 430EX III-RT (receiver).
  • Page 47 ' Radio Transmission Wireless Flash Shooting Wireless Multiple Flash Shooting You can divide the receiver units into two or three groups and perform E-TTL II/E-TTL autoflash shooting while changing the flash ratio (flash output rate). In addition, you can set and shoot in a different flash mode for each firing group with up to 5 groups (p.48).
  • Page 48 ' Radio Transmission Wireless Flash Shooting Shooting in a Different Flash Mode Set for Each Group (p.63) Ceiling E-TTL II Manual flash E-TTL II Manual flash Manual flash * The flash mode settings are indicated only as an example. Difference between Radio Transmission and Optical Transmission Wireless shooting using radio transmission has advantages over wireless shooting using optical transmission, such as being less affected by obstacles, and not having to point the receiver unit’s wireless sensor...
  • Page 49 ' Radio Transmission Wireless Flash Shooting Restrictions on Functions Depending on the Camera Used When performing radio transmission wireless flash shooting, function restrictions may apply, depending on the camera used. EOS DIGITAL cameras released in and after 2012  When using the flash with a camera such as the EOS-1D X, you can shoot without any restrictions on the flash mode and flash sync speed, etc.
  • Page 50: Wireless Settings

    Wireless Settings To perform radio transmission wireless shooting, set the sender unit and receiver unit with the following procedure. Sender Unit Setting Set to <'h>. Press the <I> button of the <S>  cross keys. Turn <9> to select <' >, ...
  • Page 51 Wireless Settings Setting the Transmission Channel/Wireless Radio ID  Use the following procedure to set the transmission channels and wireless radio IDs of the sender unit and receiver unit. Set the same channel and ID for both the sender unit and receiver unit. Note that the procedure is the same for the sender unit and receiver unit.
  • Page 52 Wireless Settings Scanning and Setting the Sender Unit Transmission Channels You can scan the radio reception status and set the sender unit’s transmission channel automatically or manually. When the channel is set to “AUTO”, the channel with the best reception signal is set automatically.
  • Page 53 Wireless Settings The <D> Lamp You can check the transmission status by viewing the color of the <D> lamp. Color Status Description Action Green Transmission OK – Not connected Check the channel and ID. Change the sender and receiver unit total Too many units to 16 or less.
  • Page 54 Wireless Settings LCD Panel Illumination During radio transmission wireless shooting, the sender unit’s LCD panel illuminates or turns off according to the charge status of the sender unit and receiver units (firing groups). The sender unit’s LCD panel illuminates if the sender unit and receiver units are not fully charged.
  • Page 55: A: Fully Automatic Wireless Flash Shooting

    a: Fully Automatic Wireless Flash Shooting This section describes the basic fully automatic wireless shooting when using a 430EX III-RT attached to the camera (sender) and a 430EX III-RT set as a receiver unit. Autoflash Shooting Using One Receiver Unit Set the sender unit.
  • Page 56 a: Fully Automatic Wireless Flash Shooting Set the flash mode to < >. Press the < > button of the  <S> cross keys of the sender unit. Turn <9> to select <Q>, then  press <8>. The receiver unit is set automatically ...
  • Page 57 a: Fully Automatic Wireless Flash Shooting Autoflash Shooting Using Multiple Receiver Units When you need more flash output or you want to perform lighting more easily, you can increase the number of receiver units and fire them as a single flash. To add receiver units, perform the same procedure as “Autoflash Shooting Using One Receiver Unit”...
  • Page 58 a: Fully Automatic Wireless Flash Shooting Advanced Shooting with Fully Automatic Wireless Flash Flash exposure compensation and other settings set on the sender unit will be set automatically on the receiver unit(s). You do not need to operate the receiver unit(s). Wireless flash shooting with the following settings can be performed in the same way as in normal flash shooting.
  • Page 59: 5: Wireless Multiple Flash Shooting With Flash Ratio

    5: Wireless Multiple Flash Shooting with Flash Ratio Autoflash Shooting with Two Receiver Groups You can divide the receiver units into two firing groups, A and B, and adjust the lighting balance (flash ratio) for shooting. The exposure is controlled automatically so that the total flash output of firing groups A and B results in the standard exposure.
  • Page 60 5: Wireless Multiple Flash Shooting with Flash Ratio Set the A:B flash ratio. A:B flash ratio Turn <9> to select the A:B flash  ratio symbol, then press <8>. Turn <9> to set the flash ratio, then  press <8>. Take the picture.
  • Page 61 5: Wireless Multiple Flash Shooting with Flash Ratio Set the flash exposure Receiver C flash exposure compensation amount compensation amount for receiver C. Set it by operating the sender.  Set the amount as necessary.  Press <8>.  Turn <9> to select the flash ...
  • Page 62: Q: Wireless Multiple Flash Shooting With Manual Output

    q: Wireless Multiple Flash Shooting with Manual Output This section describes wireless (multiple flash) shooting using manual flash. You can shoot with a different flash output setting for each receiver unit (firing group). Configure all the settings on the sender unit. Set the flash mode to <q>.
  • Page 63 [: Shooting in a Different Flash Mode for Each Group When using an EOS DIGITAL camera Ceiling released in and after 2012, such as the EOS-1D X, you can shoot in a different flash mode set for each firing group with up to 5 groups (A, B, C, D, and E).
  • Page 64 [: Shooting in a Different Flash Mode for Each Group Set each firing group. Flash exposure compensation for all firing groups Set the flash mode, flash output, or flash  exposure compensation amount of each firing group by operating the sender unit. Press <8>.
  • Page 65: Test Flash And Modeling Flash With A Receiver Unit

    Test Flash and Modeling Flash with a Receiver Unit While the flash mode can be set to </> auto external flash metering  when 430EX III-RT is set as a sender unit, this function is effective when using a receiver unit that supports </> (example: 600EX-RT). 430EX III-RT does not support </>.
  • Page 66: Remote Release From A Receiver Unit

    Remote Release from a Receiver Unit Modeling flash is not possible from a receiver unit with cameras released  up to 2011 or EOS REBEL T5/1200D. For the precautions related to modeling flash, see page 36.  When C.Fn-02-1 is set on the sender unit, modeling flash will not be fired ...
  • Page 67: Linked Shooting With Radio Transmission

    Linked Shooting with Radio Transmission When using an EOS DIGITAL camera released in and after 2012 (except EOS REBEL T5/1200D), such as EOS-1D X, you can perform linked shooting, which automatically releases the shutter of a receiver camera unit by linking it to the sender camera unit. You can perform linked shooting with up to 16 units, including both sender units and receiver units.
  • Page 68 Linked Shooting with Radio Transmission Set to linked shooting mode. Press the <I> button of the <S>  cross keys. Turn <9> to select <l>,  then press <8>.  The display changes to <4>. Set the sender/receiver unit. Turn <9> to select < h>...
  • Page 69 Linked Shooting with Radio Transmission When changing the setting from  “receiver unit” to “sender unit” in step 2, other Speedlites (or transmitters) that were set as “sender unit” until then automatically switch to “receiver unit”. Set up the receiver camera units. Set up all the receiver camera units ...
  • Page 70 Linked Shooting with Radio Transmission Setting the focus mode switches of the lenses attached to the receiver  cameras to <MF> and taking the picture with manual focusing is recommended. If focus cannot be achieved with autofocus, linked shooting is not possible with the corresponding receiver camera units. There is a short time lag between the release of the receiver camera ...
  • Page 71: Wireless Flash Photography: Optical Transmission

    Wireless Flash Photography: Optical Transmission This chapter describes wireless flash shooting using the optical transmission wireless receiver function. For the accessories required for optical transmission wireless shooting, see the system map (p.90). When the camera’s shooting mode is set to a fully automatic mode or a Basic Zone mode, the operations in this chapter are not available.
  • Page 72: Optical Transmission Wireless Flash Shooting

    : Optical Transmission Wireless Flash Shooting Using a Canon device with an optical transmission wireless sender function and 430EX III-RT/430EX III set as a receiver unit makes it easy to shoot with wireless multiple flash lighting in the same way as normal E-TTL II/E-TTL autoflash shooting.
  • Page 73: Wireless Settings

    Wireless Settings Turn transmission wireless sensor (p.10) of the receiver unit toward the  sender, using the bounce function (p.28). When shooting indoors, since the transmission signal is reflected off the  walls, operation may be possible even with slightly imprecise positioning. Wireless Settings To perform flash shooting using the optical transmission wireless receiver function, configure the settings as follows.
  • Page 74 Wireless Settings Turn <9> to select any channel  Transmission channel between Ch. “Y” and “[”, then press <8>. If the transmission channels of the sender unit and receiver unit are different, the receiver unit will not fire. Set to the same number. Memory Function You can save the wireless settings to the receiver unit, and recall the settings later.
  • Page 75: A: Fully Automatic Wireless Flash Shooting

    a: Fully Automatic Wireless Flash Shooting This section describes basic fully automatic wireless shooting when using a device (sender) equipped with the optical transmission wireless sender function and a 430EX III-RT/430EX III set as a receiver unit. For details on optical transmission wireless flash shooting and sender unit operation procedure, refer to the instruction manual of the sender device.
  • Page 76 a: Fully Automatic Wireless Flash Shooting Check that the flash is ready. When the receiver flash is ready, the  AF-assist beam emitter blinks with approx. 1-second intervals. Check that the sender unit’s flash-  ready lamp is lit. Check the performance. Fire a test flash from the sender unit.
  • Page 77 a: Fully Automatic Wireless Flash Shooting Advanced Shooting with Fully Automatic Wireless Flash Since flash exposure compensation and other settings set on the sender unit will be set automatically on the receiver unit(s), you do not need to operate the receiver unit. Wireless flash shooting with the following settings can be performed in the same way as in normal flash shooting.
  • Page 78: Manual Flash Setting On A Receiver Unit

    Manual Flash Setting on a Receiver Unit You can directly operate the receiver unit to manually set the flash output. This function is called individual receiver. This is convenient when, for example, you use the Speedlite Transmitter ST-E2 (sold separately) to perform wireless manual flash. Set the individual receiver.
  • Page 79: Customizing The Speedlite

    Customizing the Speedlite This chapter describes how to customize the Speedlite with the Custom Functions (C.Fn) and Personal Functions (P.Fn). When the camera’s shooting mode is set to a fully automatic mode or a Basic Zone mode, the operations in this chapter are not available.
  • Page 80: C / >: Setting Custom And Personal Functions

    C / >: Setting Custom and Personal Functions You can customize the Speedlite features to suit your shooting preferences. The functions used to do this are called the Custom Functions and Personal functions. The Personal Functions are customizable functions unique to the 430EX III-RT/430EX III. C: Custom Functions Display the Custom Functions screen.
  • Page 81 C / >: Setting Custom and Personal Functions Custom Function List Number Function Page C.Fn-00 Distance indicator display " C.Fn-01 Auto power off p.83 C.Fn-02 Modeling flash C.Fn-08 AF-assist beam firing C.Fn-10 Receiver auto power off timer p.84 C.Fn-11 Receiver auto power off cancel C.Fn-13 Flash exposure compensation setting C.Fn-21...
  • Page 82 C / >: Setting Custom and Personal Functions Clearing All the Custom/Personal Functions You can clear all Custom Functions or Personal Functions by selecting <C> or <D> on the screen on the left, and selecting <;>. Even if you clear all Custom Functions, C.Fn-00 will not be cleared. ...
  • Page 83: C: Setting Custom Functions

    C: Setting Custom Functions " C.Fn-00: (Distance indicator display) You can select the distance indicator display on the LCD panel from meters and feet. 0: m (Meters (m)) 1: ft (Feet (ft)) C.Fn-01: (Auto power off) When the Speedlite is not operated for approx. 90 seconds, the power turns off automatically to save energy.
  • Page 84 C: Setting Custom Functions C.Fn-08: (AF-Assist beam firing) 0: ON (Enabled) 1: OFF (Disabled) This disables the emission of the AF-assist beam from the Speedlite. The flash symbol displayed with C.Fn-08 set changes according to the setting of P.Fn-05 (p.87). C.Fn-10: (Receiver auto power off timer) You can change the time for the receiver unit’s auto power off to take effect.
  • Page 85 C: Setting Custom Functions C.Fn-21: (Light distribution) You can change the flash light distribution (flash coverage) of the Speedlite in relation to the shooting angle of view when the flash coverage is set to <L> (automatic). (Standard) The optimum flash coverage for the shooting angle of view is set automatically.
  • Page 86: Setting Personal Functions

    >: Setting Personal Functions P.Fn-01: (LCD panel display contrast) You can adjust the contrast of the LCD panel in 5 levels. P.Fn-02: (LCD panel illumination color: Normal shooting) You can select the color of the LCD panel illumination for normal shooting (on-camera flash shooting).
  • Page 87 >: Setting Personal Functions P.Fn-05: (AF-assist beam emission method) You can select AF-assist beam emission method. (Small series of flashes fired by flash) AF-assist beam, which uses a small series of flashes, is emitted (p.22). (Infrared) Infrared AF-assist beam aiming at the center AF point is emitted. Position the subject in the center of the viewfinder and focus.
  • Page 88 >: Setting Personal Functions P.Fn-07: (Flash firing during linked shooting) When performing linked shooting function (p.67), you can set whether or not to fire the flash attached to the camera. Set it on each flash to be used in linked shooting. P.Fn-07 is not displayed on the Speedlite 430EX III. OFF (Disabled) The flash does not fire during linked shooting.
  • Page 89: Reference

    Reference This chapter provides a system map, trouble shooting guide, use of the Speedlite with Type-B cameras, etc.
  • Page 90: 430Ex Iii-Rt/430Ex Iii System

    430EX III-RT/430EX III System Wireless Flash Shooting Radio transmission " # Speedlite/Transmitter Speedlite equipped equipped with sender with receiver function function & " " Optical transmission Camera/Speedlite/ Speedlite equipped Transmitter equipped with receiver function with sender function " " Speedlite 430EX III-RT # Speedlite 430EX III $ Mini stand (provided with 430EX III-RT/430EX III)
  • Page 91 430EX III-RT/430EX III System ' Device equipped with radio transmission wireless sender function 600EX-RT and ST-E3-RT ( Speedlite equipped with radio transmission wireless receiver function 600EX-RT ) Device equipped with optical transmission wireless sender function 600EX-RT, 600EX, 580EX II, 580EX, 550EX, 90EX, MT-24EX, MR- 14EX II, MR-14EX, ST-E2, and EOS DIGITAL cameras with optical transmission wireless sender function by built-in flash * Speedlite equipped with optical transmission wireless...
  • Page 92: Flash Firing Restriction Due To Temperature Increase

    f Flash Firing Restriction due to Temperature Increase When continuous flash or modeling flash is repeatedly fired in short intervals, the temperature of the flash head, batteries, and the area near the battery compartment may increase. Repeated firings of the flash automatically activates the flash firing restriction to avoid degrading or damaging the flash head due to overheating.
  • Page 93 f Flash Firing Restriction due to Temperature Increase Even when Level 1 warning is not displayed, the firing interval will be  extended as the flash head begins to heat up. If Level 2 warning is displayed, allow a rest time for at least 30 min. ...
  • Page 94: Troubleshooting Guide

    Troubleshooting Guide If a problem occurs with the flash, first refer to this Troubleshooting Guide. If this Troubleshooting Guide does not resolve the problem, contact your dealer or nearest Canon Service Center. Normal Shooting  The power does not turn on.
  • Page 95 Troubleshooting Guide The bottom of the picture looks dark. Move at least 0.7 m/2.3 ft. away from the subject.  Remove the lens hood if attached.  The picture periphery looks dark. Set the flash coverage to <L> (automatic) (p.32). ...
  • Page 96 Troubleshooting Guide Radio Transmission Wireless Flash Shooting  Wireless shooting does not work. When using a “Speedlite 430EX III”, which is not equipped with the  radio transmission function, wireless flash shooting using radio transmission is not available. Perform flash shooting using the optical transmission wireless receiver function.
  • Page 97 Troubleshooting Guide <k> is displayed. Set the shutter speed 1 stop slower than the flash sync speed (p.49).  The LCD panel illumination turns on and off. The sender unit’s LCD panel illuminates or turns off according to the  charge status of the sender unit and receiver units (firing groups).
  • Page 98: Specifications

    Specifications Type Type: E-TTL II/E-TTL autoflash Shoe-mount Speedlite Compatible cameras: Type-A EOS cameras (E-TTL II/E-TTL autoflash) * Autoflash is not possible when using Type-B EOS cameras. Flash Head (Light-emitting unit) Guide No.: Approx. 43/141.1 (at 105 mm flash coverage, ISO 100, in meters/feet) * Without color filter or bounce adapter Flash coverage:...
  • Page 99 Specifications Flash Recycling Firing interval Normal flash: Approx. 0.1 - 3.5 sec., Quick flash: Approx. 0.1 - 2.5 sec. (Recycling time): * When using AA/LR6 alkaline batteries Flash-ready lamp: Lights up in red: normal flash available Lights up in green: Quick flash available AF-Assist Beam Emission method: Switchable in Personal Functions between Intermittent...
  • Page 100 Working temperature range: 0 °C - 45 °C / 32 °F - 113 °F Working humidity: 85 % or less All specifications above are based on Canon’s testing standards.  Product specifications and the exterior are subject to change without notice.
  • Page 101 Specifications Guide Number (ISO 100, in approx. meters/feet) Normal Flash (Full Output)/Quick Flash Flash Coverage (mm) Normal Flash (Full Output) 14.0 / 45.9 22.0 / 72.2 24.0 / 78.7 28.0 / 91.9 Quick Flash Same as approx. 1/2 - 1/3 of full output Flash Coverage (mm) Normal Flash (Full Output) 33.0 / 108.3 40.0 / 131.2 41.0 / 134.5 43.0 / 141.1 Quick Flash...
  • Page 102: Using With A Type-B Camera

    Using with a Type-B Camera This section describes the available and unavailable functions when using the Speedlite 430EX III-RT/430EX III with a Type-B camera (EOS film camera supporting A-TTL/TTL autoflash). Although <a> is displayed on the flash LCD panel when the Speedlite is attached to a Type-B camera, autoflash is not available.
  • Page 103: Radio Transmission Wireless Function

    Canon Web site to check where use is allowed. Note that Canon cannot be held liable for any problems arising from radio transmission wireless function use in other countries and regions.
  • Page 104 Hereby, Canon Inc. declares that this 430EX III-RT, CH9-1216 is in compliance with the essential requirements and other relevant provisions of Directive 1999/5/ Please contact the following address for the original Declaration of Conformity: CANON EUROPA N.V. Bovenkerkerweg 59, 1185 XB Amstelveen, The Netherlands CANON INC.
  • Page 105 For more information about where you can drop off your waste equipment for recycling, please contact your local city office, waste authority, approved WEEE scheme or your household waste disposal service. For more information regarding return and recycling of WEEE products, please visit www.canon-europe.com/weee.
  • Page 106: Index

    Index Numerics First-curtain sync......42 Flash control........40 12 sec., 16 sec. timer......4 Flash coverage......32, 85 Flash exposure Accessory shoe ......17 compensation....24, 42, 58, 77 AF-assist beam.....22, 81, 84, 87 Flash exposure level ..12, 24, 35 Auto power off.....18, 83, 84 Flash firing restriction .....
  • Page 107 Index Illumination color......86 Group firing ........ 63 Light distribution......85 Manual flash....... 62 Light-emitting unit Receiver unit ...... 13, 45, 71 (Flash head)......10, 28 Charge indication ..54, 56, 76, 85 LINK ........11, 53, 56 Receiver unit setting .... 50, 73 Linked shooting....13, 67, 88 Recycling........
  • Page 108 CPA-E144-001 © CANON INC. 2021...

This manual is also suitable for:

Speedlite 430exiiiSpeedlite 430exiii-rt

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