Canon 420EX - Speedlite - Hot-shoe clip-on Flash User Manual

Details assumptions made for operating procedures within the booklet.

Explanation of icons used in text for controls, settings, and modes.

Defines the format used for referencing page numbers in parentheses.

Instructions for inserting and securing batteries in the flash unit.

Steps to attach the Speedlite securely to the camera's hot shoe.

Explanation of the wireless selector settings for different flash modes.

Details on the main power switch and the high-speed sync switch.

Understanding pilot lamp status and flash exposure confirmation.

How flash coverage adjusts and the function of the AF-assist beam.

Using the Speedlite in the camera's Full Auto or Program AE modes.

Employing E-TTL autoflash with Av, Tv, and M camera modes.

Synchronizing flash with shutter speeds faster than the camera's maximum sync speed.

Locking flash exposure for precise subject illumination.

Capturing motion trails by firing the flash before the shutter closes.

Using the modeling flash to preview lighting effects before shooting.

Using TTL autoflash in the camera's Program AE mode for automatic operation.

Using TTL autoflash with Av, Tv, and M camera modes.

Techniques for bouncing flash off surfaces for softer lighting.

Adjusting flash output for optimal exposure when supported by the camera.

Setting up and using multiple Speedlites for sophisticated lighting.

Solutions for when the flash fails to fire or the unit powers off.

Resolving mounting issues, blurred images, or underexposure.

Steps to resolve issues with wireless slave unit communication.

Technical data including type, compatible cameras, flash range, and dimensions.

Guide numbers for coverage and sync speeds, plus recycling times and flash counts.

Camera warnings, AF-assist beam preconditions, and feature availability.

Summary of flash metering modes and feature support across camera models.