Canon ST-E3-RT Speedlite Transmitter
Product Code: 1530018

Canon ST-E3-RT Speedlite Transmitter

We no longer sell this product and will not be receiving any new stock. Check below for availability of second-hand units.

Condition Availability
New Discontinued - we can no longer source new stock of this product
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The Canon ST-E3-RT Speedlite Transmitter can fire up to 15 compatible speedlite flashguns in three groups over distances of up to an impressive 30m. Radio-frequency control provides reliable operation even when direct line of sight is not possible. The ST-E3-RT can be used in almost any environment thanks to its weather proof construction. The Canon ST-E3-RT radio only Transmitter has no optical mode so cannot be used with older non-RT flashguns such as the 580 EXII and is powered by two AA batteries.

Speedlite Transmitter ST-E3-RT

  • Radio-frequency wireless flash trigger for Type A (E-TTL II) EOS cameras
  • Control selected Speedlite flashguns, such as the 600EX-RT, from up to 30m away
  • Trigger up to 15 flashguns in three groups
  • Fire your EOS from a distance with remote camera triggering
  • Weather sealed against dust and moisture

Benefit Bullets

  • Control compatible Speedlites from up to 30m away
  • 30m maximum range, no direct line of sight required
  • Create sophisticated multi-flash lighting set-ups
  • Remote fire your EOS camera from your flashgun
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Product Specification

Connectivity Hotshoe
Flash Sync Speed High speed FP
For Use With Canon
Maximum Working Distance [m] 30
Type Radio
Weight [g] 110.00
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with a choice of repayment plans over 12, 24 or 36 months 13.9% APR (representative)

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36 month loan with a six month deferral period, 18.9% APR (representative)



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Product Code: 1530018-wex Manufacturers Part Number: 5743B003