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Canon Speedlite 90EX User Manual

Canon Speedlite 90EX
37 pages
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MANUAL DE INSTRUCCIONES
MODE D’EMPLOI
INSTRUCTION MANUAL
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Canon Speedlite 90EX Specifications

General IconGeneral
CompatibilityEOS M
Product colorBlack
Approximate recycling time5.5 s
Camera brands compatibilityCanon
Battery typeAAA
Number of batteries supported2
Weight and Dimensions IconWeight and Dimensions
Weight50 g
Dimensions (WxDxH)44.2 x 65 x 52 mm

Summary

Installing the Batteries

Attaching the Flash

Flash Shooting

Setting Flash Functions via Camera

Flash Function Settings

Configuring flash mode, sync, exposure compensation, and wireless options.

About Wireless Flash

Wireless Settings

Instructions on switching between normal and wireless flash shooting modes.

Fully Automatic Wireless Flash Setup

Flash Ratio with E-TTL II

Setting Slave Unit Groups

Dividing slave units into groups A and B for ratio control.

Setting Master Unit Flash Ratio

Configuring the A:B flash ratio on the master unit.

Setting the Flash Ratio Scale

Adjusting the flash ratio using the scale and understanding increments.

Manual Flash Output with Multiple Speedlites

Set Flash Output

Adjusting the manual flash output level for selected groups.

Troubleshooting Guide

Speedlite and Picture Issues

Resolving issues like Speedlite not firing or blurred pictures.

Dark Bottom and Exposure Problems

Troubleshooting dark picture bottoms and general exposure issues.

Slave Unit and Power Issues

Resolving slave unit flash failure and automatic power off.

Exposure Correction Tips

Tips for correcting underexposed or overexposed images.

Product Specifications

Wireless Master Function Details

Specifications for wireless transmission, control, and flash ratio.

Flash Shooting Range Guidelines

Range Guidelines Table

Table providing flash shooting range based on ISO speed and lens used.

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