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PRO ST-III Plus 2.4GHz TTL Flash Trigger with High-Speed Sync & Bluetooth (X2T)

SKU: M-061001


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The PIXAPRO ST-III Plus 2.4GHz  Wireless TTL Flash Trigger is the next evolution of the ST-III 2.4GHz TTL flash trigger.

ST-III Plus  TTL Flash Trigger - Five Dedicated Groups

The PIXAPRO ST-III Plus  Wireless TTL Flash Trigger now features five dedicated group buttons, enabling you to quickly and easily select the flash group that you desire, and adjust the power of that group, without having to scroll to find the group you are looking for.

ST-III Plus Easy To Use Wireless TTL Flash Trigger

The ST-III +  Wireless TTL Flash Trigger also features a re-designed scroll wheel, now placed on the left-hand side of the trigger for improved accessibility.

100m Transmission Range 

The PIXAPRO PRO ST-III + TTL Flash Trigger has a transmission range of approximately 100m in an open area, and since it uses 2.4GHz radio waves as opposed to Infra-red to communicate, so you don’t need direct line of sight.

ST-III Plus Wireless TTL Flash Trigger with Advanced Features

There is also a “Scan for Best Channel” function, which scans the airwaves to help identify the best channel(s) to use that will give you the least amount of interference.

5 Individual Groups Available 

The PIXAPRO PRO ST-III + Wireless TTL Flash Trigger allows up to 5 Groups to be individually set to either TTL, Manual, or Off.

Option To Mix TTL & Manual

You can also mix TTL and Manual Groups if needed, which makes the ST-III + system very versatile.

32 Seperate Channels

The ST-II+I Wireless TTL Flash Trigger system also has 32 separate channels, which enable you to use your ST-III trigger system in the vicinity of other photographers, without fear of accidentally triggering each other’s lights.

TTL, HSS & Pre-sync 

The PIXAPRO PRO ST-III + supports TTL, HSS (High-Speed Sync) and even has HSS Pre-sync Timing Adjustment feature, which is great for those times where you need to increase your shutter-speed beyond your camera’s sync speed.

Pro ST-III Plus Wireless TTL Flash Trigger with Bluetooth Feature 

The PIXAPRO PRO ST-III + has a Bluetooth feature, which enables you to use the trigger in conjunction with an app, allowing you to control your flashes from a smartphone or tablet.

PC Sync Cable & USB Type C Port

It also features a PC sync cable socket enabling it to be used to trigger studio strobes, as well as a USB Type C port to enable you to update the ST-III +’s Firmware as new technologies become available.

The perfect solution for the busy photographer who requires a reliable TTL radio trigger system. Available for Canon, Nikon, Sony, Olympus, Panasonic, Fujifilm and now Pentax.

Trigger Compatibility

Brand Model Pixapro Products Comments
Nikon D780 ST-III, ST-III+, ST-IV, Li-ion580II N, GIO 1 N Images will have bright edges when taking photos at shutter speeds above 1/2000s. Nikon SB910 speedlite also has the same issue. Other On-Camera speedlites are not compatible with TTL.
Nikon Z7 II ST-III, ST-III+, ST-IV & All Speedlites Not Compatible with AF Assist-beam. The same is true with Nikon branded speedlites
Pentax K-3 ST-III, ST-III+, ST-IV & All Speedlites All functions can be used as normal

Having trouble syncing your trigger to your PiXAPRO or Godox flash? Check out our YouTube playlist and see if we have a guide for how to sync your flash.

Please Note: PiXAPRO Flash and Triggering Systems are fully compatible with Godox 2.4GHz Triggers, which will allow you to mix both Godox and PiXAPRO Equipment together without issue


  • New Scan for Best Channel feature
  • Built-in Bluetooth, for use with a Smartphone app.
  • Dedicated Group Buttons
  • New Dot-Matrix LCD Display
  • Updated Hot-shoe with Switch-Lock mechanism
  • Large 100m Transmission Range
  • Supports up to 5 Groups and has 32 different channels
  • Supports High Speed Sync up to 1/8000th sec.
  • USB-C port for Firmware updates
  • Powered by 2x AA batteries

What’s In the Box

  • 1x PRO ST-III+ Transmitter


Flash Exporsure Control
TTL AutoflashYes
Manual ModeYes
Multiflash ModeYes
High-Speed SyncYes
Rear Curtain SyncYes
Flash Exposure Compensation±3-Stops in 1/3-Stop increments
Flash Exposure LockYes
Focus AssistYes
Modelling Lamp ControlYes
Flash-Ready Tone ControlYes
Wireless Shutter ReleaseCan be used with reciver via 3.5mm remote cord
Zoom AdjustmentsYes, with supported lights
Firmware UpgradeVia USB Type C
Memory FuntionAs long as 2-Seconds after setting parapemeters. Will be remembered, and will be recovered once restarted
Wireless Flash
Transmisison RangeUp to 100m
Built-in Wireless Systen2.4GHz Transmission
Modulation ModeMSK
Wireless ID0-99
DisplayLarge Backlit LCD Panel
Net. Weight90g
Box Weight  0.155kg
Box Specifications  Approximately    Height:   11cm   Width:  7cm    Length: 12cm


Delivery & Returns

UK Delivery Rates

Free UK Standard delivery on orders over £150.00*

Order Date (if received before 3pm) Cost Latest Expected Delivery Date
UK Standard Delivery (Orders over £150*)  FREE 2-4 Days
UK Standard Delivery £3.99 2-4 Days
UK Express Delivery £5.99 1-3 Days
UK Next Working Day £8.00 Next Working Day
UK Next Working Day (Guaranteed) £15 Next Working Day
UK Before 2pm Next Working Day £18.00 Before 2pm Next Working Day
UK Saturday Delivery £30.00 Saturday
UK Sunday Delivery £30.00 Sunday

View a full breakdown


EssentialPhoto is committed to the provision of quality and reliable products and outstanding customer service. Buyers are entitled to cancel the order and return the goods within 28 working days for a full refund of the purchase price of the goods.

Read our full Returns Policy

International Delivery Rates

We are able to ship from our UK based warehouses to many countries around the world. Click below to check shipping rates to your country..

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Additional Shipping Fees

Please Notea number of our products fall into 'Large', 'Extra Large' or 'Oversized' products, and would require an additional shipping fee applied automatically to the order. All of these products will display this on their dedicated listings, and further information regarding these fees can be found below

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International Delivery Rates

We are able to ship from our UK based warehouses to many countries around the world. Click below to check shipping rates to your country...

Price-Match Guarantee

Our new price match policy guarantees you the same price as other retailers so you’re alway getting the best deal possible...

How to make a claim

  1. Send us a link for verification
    If you manage to find one of our price matched products cheaper elsewhere, send us the link for verification. you can do this by using live chat, email, or by calling us on 0121 552 3113
  2. Recieve a discount
    If we confirm & verify a legitimate product is cheaper elsewhere we’ll provide you with a dicount code for the difference that you can use at checkout.

Terms & Conditons

The comparison needs to meet the following:

  1. We will match our competitor’s current store or website price - this will apply to a UK based company only, the stock location must be based in the UK (no grey imports).
  2. The competitor’s item must be brand new, identical to ours, and offered on the same terms.
  3. Both PiXAPRO and the competitor must have the product in stock for delivery.
  4. We must be able to verify the competitor’s price and stock position.
  5. We will only match the price of an item - this does not include delivery charges

Try Before You Buy

Our ‘Try Before You Buy’ scheme is available at a growing number of participating photography studios around the country. Availability of PiXAPRO products, opening times, and cost of studio hire are studio dependent.

Looking To Hire?

Not ready to make a long term commitment just yet? or just need extra equipment for a specific job? Well we've got you covered. Many of our Products are available for short term rental on our dedicated hire site.
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