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The PIXAPRO PRO ST-IV (equivalent to Godox's XPRO) a 2.4GHz TTL Radio flash trigger system capable of transmitting TTL information between your camera and compatible flashes.
100m Transmission Range
The PIXAPRO PRO ST-IV trigger 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 flash trigger systems.
User-friendly Display
The PiXAPRO PRO ST-IV transmitter features a large backlit Dot-Matrix LCD display, with a new and intuitive user interface.
Multiple Group Options
The ST-IV now gives you the option of working with up to 5 groups (A, B, C, D and E) of flashes simultaneously.
Easy To Use
Each group can now be easily accessed via the five-dedicated group selection buttons, located at the side of the LCD screen.
Mix TTL & Manual
You can also mix TTL and Manual flashes together in one lighting set-up.
Advanced Features
One of the PIXAPRO PRO ST-IV’s new features is its TCM function, which enables you to take a shot in TTL mode to attain the correct exposure and then convert the TTL power levels to display on the LCD as Manual power levels, all from the touch of a single button.
Supports TTL, HSS, Multi-flash
The PIXAPRO PRO ST-IV supports TTL, HSS (High-Speed Sync) Rear-Curtain sync and stroboscopic multi-flash.
Type-C USB Port
It also a USB Type-C port to enable you to update the ST-IV’s Firmware as new technologies become available.
The perfect solution for busy photographers who require a reliable TTL radio trigger system, with a quick and intuitive interface.
Trigger Compatibility
| Brand | Model | Pixapro Products | Comments |
| Canon | EOS R5 | ST-III, ST-III+, ST-IV & All Speedlites |
|
| Nikon | D780 | ST-III, ST-III+, ST-IV, Li-ion580II N, GIO 1 N |
|
| 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 |
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 Dot Matrix LCD Screen Displaying 5 Groups
- 5 Individual Dedicated Group Buttons
- TCM Function – TTL – CONVERT – MANUAL
- Built-in Zoom Controls
- Global Adjustment of Group Power Levels (ALL Button)
- Large Graphic Menu System with Multiple Custom Functions
What’s In the Box
- 1x PIXAPRO PRO ST-IV TTL Trigger
Specifications
| TTL Flash | TTL Auto flash |
| Manual Flash Control | Yes |
| Stroboscopic Flash | Yes |
| Radio Frequency | 2.4GHz Transmission |
| Power Supply | 2x AA Batteries |
| Manual Flash Triggering | Yes |
| High-Speed Sync Support | Yes |
| Second-Curtain Sync Support | Yes |
| Flash Exposure Compensation (FEC) | Yes ±3 stops 1/3 stop increments |
| Flash Exposure Lock (FEL) | Yes |
| AF Assist Beam | Yes |
| Modelling Lamp Control | Yes |
| Flash-Ready Tone Control | Yes |
| Zoom Control | Yes (For flashes with a Zoom feature) |
| TCM Function | Transform TTL settings to Manual mode |
| Memory Function | Settings will be stored 2 seconds after last operation and recover after a restart. |
| Working Range | Approx. 0-100m (In an Open Area) |
| Channels | 32 |
| Groups | 16 |
| Display | Large Back-lit LCD Panel |
| Upgradable Firmware | Yes (Via USB Type-C Cable) |
| Dimensions | 90x58x50mm |
| Net. Weight | 80g |
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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 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
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..
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
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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 -
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:
- 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).
- The competitor’s item must be brand new, identical to ours, and offered on the same terms.
- Both PiXAPRO and the competitor must have the product in stock for delivery.
- We must be able to verify the competitor’s price and stock position.
- 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.
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Customer Reviews
5.0
Based on 2 Reviews
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AJ
07/18/2022
Andrew J.
United KingdomI recommend this product
Great trigger
I am very partially sighted and had been looking for a trigger to use when I am in the studio. As most studios use Godox lights it made sense for me to get this trigger as it has a bigger screen for me to see, most of the studio triggers have way too small a screen for me. So far it is pretty easy to use and connected right away with Studio R3's lights and made it easier to adjust the lights. I still have to delve deeper into how to use all the awesome features of the trigger and see what it can do.
DM
07/14/2022
David M.
United KingdomI recommend this product
Excellent triggers
This is my second purchase of the ST IV as they are brand-specific and I use two different brands of camera, Olympus and Canon. Both work flawlessly and fire all my studio lights and speedlights without fail. I use Pro-Capture mode on my Olympus which takes several shots in quick succession moving the sensor a fraction each time and my lights actually fire with each shot which I was very impressed with. The resulting image is larger than full frame, so great quality. I have used HSS with the trigger too, no problem and very easy to set. In all, a reliable and flexible means of firing your lights remotely.
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