Canon has unveiled an updated version of its popular wireless transmitter, the ST‑E3‑RT (Ver.2). By wirelessly syncing and controlling Canon Speedlite devices up to 30 meters away, the new transmitter expands the capabilities of photographers in and out of the studio, including wireless (radio-controlled) rear curtain sync.
New features of the ST‑E3‑RT (Ver.2) also include support for Speedlite EL‑1 at ultra-low power 1/8192. For photographers using manual flash, the transmitter has a new flash exposure memory mode.
Thanks to RF wireless communication and rear curtain Synchronization, the ST‑E3‑RT (Ver.2) model fires at the end of a long exposure. This helps to capture more natural shots of moving subjects and provides photographers with more flexibility to work in a wide variety of conditions.
Sometimes, when shooting at wide apertures or high ISOs, the Canon flash may be overpowering for some scenes and subjects. Because of this, the photographer has to change the settings or lighting scheme, and as a result, the desired shot is no longer possible. When used in conjunction with a Canon Speedlite EL‑1, the transmitter delivers a 1/8192 burst that delicately enhances the details you want, without disturbing the atmosphere and natural light you want to capture. This feature comes in handy for portrait and fashion photography outside the studio.
With all the versatility of the first version, the ST‑E3‑RT (Ver.2) wireless transmitter also supports flash exposure memory, making manual flash operation faster and more convenient. There is no need to take multiple test shots anymore: the photographer can start shooting in E-TTL mode immediately by locking the flash settings. The user has the option to switch to manual control of the Speedlite to make adjustments as needed. The original E-TTL settings are retained.
Canon Speedlite ST‑E3‑RT (Ver.2) price and availability
Canon is also allowing owners of the current ST‑E3‑RT version to upgrade their transmitter at an additional cost. To do this, the transmitter must be sent to one of the designated Canon Service Centers, where the device will receive the new features and capabilities of ST ‑ E3 ‑ RT (Ver.2).
Recently, Yongnuo has also introduced the YN685 II camera flash for Canon and Nikon cameras. Among the innovations can be noted a reduced recharge time to 2 seconds at full power, a USB port, and priced at $129.99 only.