Phottix

Phottix PH89016 Strato TTL Wireless Flash Trigger Receiver Canon

4.4 (69 reviews)

Keep TTL accuracy across every Canon speedlite in your multi-flash lineup with the Phottix Strato receiver that fires reliably past 150 meters.

Check availability
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.

Notice a mistake? Let Us Know

Overview

For Canon shooters who've outgrown on-camera flash but don't want to sacrifice TTL metering, the Phottix Strato receiver plugs directly into that gap. It's built for the working photographer — the event shooter managing three speedlites across a reception hall, or the portrait photographer positioning a hair light thirty feet away. With full E-TTL II passthrough, your camera reads the scene and drives all connected flashes automatically, so you can concentrate on composition rather than power levels. Add High Speed Sync up to 1/8000s, and you have the freedom to shoot wide open in harsh midday sun without wrestling with neutral density glass.

The receiver's backlit LCD is a practical field tool — readable in dim venues where squinting at a tiny LED would cost you shots. The bayonet-style hotshoe connection locks securely, which matters when a speedlite is perched on a stand arm and vibrating with crowd movement. Group and channel separation across four channels gives you meaningful creative control: key light, fill, and background can all live on separate channels, dialed independently from the transmitter. It's a straightforward, well-built piece of kit that earns its place in a Canon flash bag.

Key Features

TTL flash trigger with EV adjustments (+/- 3 stops in 1/3 stops)

Quick-change buttons and Backlit LCD to adjust EV level, mode, and channel

High Speed Sync mode - 1/8000s

Second Curtain Sync mode

Wired and wireless shutter release functions

Specifications

Feature
Value
EV Adjustment
+/- 3 stops in 1/3 stops
High Speed Sync
1/8000s
Sync Mode
Second Curtain Sync
Functions
Wired and Wireless Shutter Release

Pros & Cons

👍 Pros

  • Full E-TTL II passthrough means your camera's metering controls flash output automatically — a genuine time-saver in fast-paced event or wedding work.
  • High Speed Sync up to 1/8000s opens up wide-aperture shooting in direct sunlight, giving you shallow depth of field without ND filters.
  • Four independent channels and four groups let you separate multiple lights into distinct zones, useful for multi-light portrait or product setups.
  • EV adjustment of ±3 stops in 1/3-stop steps from the LCD gives fine-tuned control without walking to each flash.
  • 150-meter-plus wireless range means you can push lights into the background of a large venue or outdoor location without losing signal.

👎 Cons

  • Designed specifically for the Phottix Strato II system — it won't function as a standalone receiver with other brands' transmitters or mix-and-match with Pocket Wizard or Godox triggers.
  • No built-in transmitter function, so it only receives; you must own a Strato II transmitter separately to use this unit at all.
  • HSS range is reduced compared to standard sync mode, which can matter on large location shoots where you've pushed the light far from the subject.
  • The LCD backlight, while helpful for low-light event work, draws battery power — long shooting days may require carrying spare batteries.

Frequently Asked Questions

It works with Canon TTL speedlites that support E-TTL II — so flashes like the 600EX-RT, 580EX II, and 430EX III-RT are all covered. The Strato system passes full TTL communication, so your camera's metering drives the flash output just as if it were on-camera.
The receiver itself carries the EV adjustment from the transmitter side — you push +/- 3 stops in 1/3-stop increments via the backlit LCD without touching the speedlite. That's the real workflow win for run-and-gun event shooting.
Yes — HSS fires up to 1/8000s, which lets you shoot wide open in full sun without a neutral density filter. For a Canon 85mm f/1.2 at midday, that means you can still separate your subject from a blown-out background without stopping down.
The kit ships with a transmitter and one receiver. This PH89016 is an additional receiver — useful when you're running two or three off-camera lights and need each one on its own Strato channel independently.
Second Curtain Sync fires the flash at the end of a long exposure, freezing your subject's final position while motion blur trails behind it — a technique commonly used for moving subjects at concerts or street scenes. This receiver supports it natively via the Strato II transmitter.