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PiXAPRO
PRO ST-III 2.4GHz TTL Trigger Set (X1T & X1R)
M-060011
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2.4GHz ONE System Compatible
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32 Channels
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5 Groups
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TTL Compatible
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Supports High-Speed Sync
The PIXAPRO PRO ST-III C equivalent to Godox's X1 TTL is a 2.4GHz Radio flash trigger system capable of transmitting TTL information designed for use with Canon EOS, or Nikon cameras and TTL Compatible flashes.
100m Transmission Range
The PIXAPRO PRO ST-III trigger set has a transmission range of approximately 100m in an open area, and since the transmitter and receivers use radio waves as opposed to Infra-red, you don’t need direct line of sight, and is not affected by bright Sunlight which can sometimes cause problems with optical slave systems.
5 Individual Set Options
As well as the traditional A:B C ratio style interface, the PIXAPRO PRO ST-III also has a full GR Group style interface allowing up to 5 Groups to be individually set to either TTL, Manual, or Off.
Ability To Mix Features
You also have the ability to mix TTL and Manual Groups if needed, which makes the PRO ST-III system very versatile.
32 Seperate Channels
The ST-III 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.
Supports TTL, HSS & Pre-sync
The PIXAPRO PRO ST-III supports TTL, HSS (High Speed Sync) and even has a 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.
Wireless Shutter Release
As well as being TTL Radio trigger system, the PIXAPRO PRO ST-III C can also be used as a wireless shutter release for your camera.
PC Sync Cable Socket
It also features a PC sync cable socket enabling it to be used to trigger studio strobes.
Micro USB Port
There is also a Micro USB port to enable you to update the ST-III’s Firmware as new technologies become available.
The perfect solution for the busy photographer who require a reliable TTL radio trigger system.
Trigger Compatibility
| Brand | Model | Pixapro Products | Comments |
| Canon | EOS R5 | ST-III, ST-III+, ST-IV & All Speedlites |
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| Nikon | D780 | ST-III, ST-III+, ST-IV, Li-ion580II N, GIO 1 N |
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| 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 |
Included In This Kit
ST-III Trigger
ST-III Receiver
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.
Features
- Large 100m Transmission Range
- Supports up to 5 Groups and has 32 different channels
- Supports High Speed Sync up to 1/8000th sec.
- Can also be used as a Wireless shutter release
- Large LCD Display
- Powered by 2x AA batteries
What’s In the Box
- 1x PRO ST-III T (Transmitter)
- 1x PRO ST-III R (Receiver)
Specifications
| TTL Flash | ETTL II Auto flash |
| Radio Frequency | 2.4GHz Transmission |
| Power Supply | 2x AA Batteries |
| Manual Flash Triggering | Yes |
| Manual Flash Control | Yes |
| High-Speed Sync Support | Yes |
| Working Range | 100m (In an Open Area) |
| Channels | 32 |
| Groups |
5 in GR Grouping Mode 3 in Ratio Grouping Mode |
| Transmitter Dimensions | 72x75x52mm |
| Receiver Dimensions | 70x65x47mm |
| Transmitter Weight | 100g |
| Receiver Weight | 70g |
Videos
Downloads
Q&A’s
Should my Canon 580EX II speedlite automatically switch to HSS mode like the Li-ion580 II series speedlites once my camera goes over its Sync Speed when using the ST-III Trigger Set?
- Unfortunately the ST-III can not automatically switch the Canon 580EX II to high speed sync mode. To use HSS, you will have to switch youe 580EX III to HSS mode manually first.
The AF-assist beam on my ST-III transmitter for Nikon, doesn’t appear to be functioning correctly, Do I need to send it back?
- The AF assist beam function can normally only be used with Nikon’s own flashes. To remedy this, we recommend using the AF lamp built-in to the camera. First turnoff the AF assist function on the ST-III transmitter (C.Fn-06 set it to 0)?then turn on the AF focusing function on your camera (please refer to your camera’s instruction manual for more information.
Can I control the power of my Nikon Speedlite with the ST-III Trigger system?
- You can if you have Firmware v15 or later installed on your trigger set (You can check by what version of the firmware you have by holding the [GR] button as you switch the unit on).
To control the power of your Nikon flash, you need to set Nikon flash TTL mode (Not iTTL or TTL BL) and then you can manually control the power from your ST-III trigger.
If you require the latest firmware update for your ST-III trigger system, you can download it from the Downloads Tab on the listing page.
How do I get my ST-III to trigger my flash at close range?
- First, please ensure that your ST-III trigger is updated to at least the following versions: (ST-III C - V15, ST-III N - V16, ST-III S - V13). Now Press and hold the "TEST" button whilst switching the ST-III trigger on. simultaneously until "STATUS" light blinks for 2 seconds. 0-30m mode should now be active.
How do I reset the ST-III Receiver back to factory Settings?
- To Reset the ST-III receiver back to default factory settings, simply press and hold the "TEST" button whilst switching the ST-III receiver on, and it should reset everything back to default.
Got a question of your own?
Ask our experts, we’ll do our best to get an answer to you by email as soon as we can.
Ask a questionDelivery & 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 Saver Delivery (Orders over £150*) | FREE | 2-3 Days |
| UK Saver Delivery | £5.00 | 2-3 Days |
| UK Next Working Day | £8.00 | Next Working Day |
| UK Before 2pm Next Working Day | £18.00 | Before 2pm Next Working Day |
| UK Saturday Delivery | £30.00 | Saturday |
Returns
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.
International Delivery Rates
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Product Reviews
PIXAPRO® PRO ST-III 2.4GHz TTL Trigger Set
Perfect trigger receiver and works with a hole range of equipment
More than happy
I'm super happy! Previously I had the Cactus V5 triggers and I'm glad I upgraded for the ones from Pixapro. It's very reponsive and easy to use. I don't loose time anymore configuring them. Building quality is also very good! I definitely recommend.
Review taken from PIXAPRO Amazon Store.
PRO ST-III 2.4GHz TTL Trigger Set
works fine with Kenro KFL 101 TTL. and Neweer TT560 flashes
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