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Features

Small, lightweight and portable, the ST-E3-RT is a dedicated radio wave transmitter which can control up to 5 groups of remote wireless slave Speedlites.

Accessories

Specifications

Flash Modes

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Auto exposure control E-TTL II, E-TTL, TTL
High speed sync (FP) Yes
Manual / output settings Yes - 1/1 - 1/128
Manual steps 1/3 Step
Strobe / output settings Yes - 1/4-1/128
Frequency -500Hz

Flash-Related Function

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FE lock Yes
Flash exposure compensation Yes
Flash exposure bracketing Yes
Modelling flash Yes

Wireless Flash

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Transmitter Yes
Transmission type Radio
Transmitter Max range approx. Indoors: 30m
Outdoors: 30m
No. of groups 5
No. of channels 15
Remote Shutter Release Yes

Power Source

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Battery 2 x AA batteries

Construction

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Dust and water resistance Yes
Mounting foot material Metal
Custom function 8 (3 personal functions)

Dimensions & Weight

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Size (W x H x D), mm 67.4 x 61.5 x 77.4¹
Weight (Excluding batteries), grams 110g
Barcode 13803142488
Size (W x H x D), mm ¹ Except for the dust and water prevention adaptor

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