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Hi all I just went to the store I bought the stuff. We tested with my trigger and his camera and it neither worked. With his trigger it worked on my camera. Now I received a new trigger and everything works perfect. Thanks for all your help and hints. Btw regarding compability: I emailed Backscatter, however didn't get an answer yet. However the store owner told be, that he shoots with the exact same combination for a while. Maybe this helps someone. Kind regards Fabian

Hi RxSub Thanks for your help. Yes, I tried setting both the camera and the strobe to manual mode. On the camera: Set to Manual exposure mode (1/125, f/8, ISO 100), Mechanical Shutter, and Fill-Flash. On the AOI P1 strobes: Set the dial to one of the power modes i.e 4) The issue is: When Wireless Flash is ON in the Sony camera menu (which is usually required for optical triggers), the Backscatter trigger doesn't emit any optical pulse at all when pressing the shutter button. When Wireless Flash is OFF, the trigger fires, but in manual mode on the strobe, the image still comes out completely black (out of sync)."

Hi everyone, I'm having a frustrating issue with my underwater lighting setup and hope someone here can explain the technical reason behind it or offer a solution. My Setup: Camera: Sony A7C II Trigger: Backscatter Smart Control Trigger for Sony Strobes: AOI P1 Strobes (connected via fiber optic cables), Mode set to Sony Note: This combination was recommended to me by an underwater camera shop, and I also read a forum post online claiming that the Backscatter Sony trigger is compatible with the AOI P1 strobes. The Issues I'm Experiencing: TTL Mode (Camera: Wireless Flash OFF): The trigger fires and the AOI P1 strobes flash, but the resulting image is completely black. Camera settings: Mechanical Shutter, Shutter Speed 1/125s, Fill-Flash. It seems like the strobe flash timing is completely out of sync with the shutter. Manual Mode (Camera: Wireless Flash ON): The strobes do not fire at all. When looking directly at the trigger output, the LEDs do not emit any optical flash signal upon shutter release. When setting Wireless Flash to ON, the P1 strobes flash, however image is also black What I’ve already checked & verified: Shutter Type: Set to Mechanical Shutter (Silent Shooting is OFF). Shutter Speed: Set to 1/125s (well below max sync speed). Release without Lens: Set to Enable. Hot Shoe Fit: Trigger is fully seated in the Multi-Interface Shoe and tightened. Fiber Cables & Strobes: Cables are good; strobes fire normally when manually testing light signals. Trigger Battery & Mode: Fully charged Any help, insights, or workarounds would be greatly appreciated! Thanks in advance! Kind regards Fabian

Hi everyone, I’m excited to join the WaterPixels community! I’m based in Switzerland and took my first steps into underwater photography earlier this year during a trip to Malapascua, starting out with video lights. Recently, I decided to upgrade my rig to take things to the next level: I bought a Sony A7C II setup and added a pair of AOI P1 strobes along with a Backscatter Smart Control Trigger. As with most upgrades, I'm currently navigating the initial learning curve (and working through a few technical sync/trigger quirks!), so I’m really looking forward to learning from the wealth of experience here in the forum. Glad to be here and excited to connect with you all! Best regards, Fabian