Phottix Laso 2.4GHz E-TTL flash trigger in development

Phottix is working on a third-party radio transmitter and receiver for the Canon RT flash system.

Phottix Laso TX

Phottix has produced a new third-party radio transmitter and receiver for the Canon RT 2.4GHz flash system. The Phottix Laso series, spotted in applications to the FCC, comprises a camera-top trigger (TX) to control your off-camera flashes, and a universal shoe-mount receiver (RX) to add non-RT E-TTL speedlites to set-ups.

The Phottix Laso transmitter enters an increasingly crowded market for Canon RT triggers, already populated by the original Canon ST-E3-RT and third-party options Yongnuo YN-E3-RT and Shanny SN-E3-RT. The units are designed for wireless control of the Canon Speedlite 600EX-RT and 430EX III-RT, which both have built-in radio.

Phottix Laso TX

Phottix Laso TX

Canon has not made a hotshoe receiver for the RT system, presumably to avoid cannibalising Speedlite sales, but Yongnuo has made one in the YNE3-RX, designed to grant RT communication abilities to non-radio-enabled flashguns. The Phottix Laso RX appears to serve a similar function.

Phottix Laso RX

The Phottix Laso transmitter and receiver each have a mini-USB port for firmware updates. They take two AA batteries and the TX has an autofocus-assist lamp. See more pictures here. We have contacted Phottix for a comment and will update this article when they get back to us.

Thanks to Ronan Delaney for the tip!

David Selby
Based in Paris, France, David Selby is editor of Lighting Rumours, a part-time photographer and a quantitative analyst.
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