Accsoon SeeMo iOS/HDMI Adapter

SeeMo turns an iPhone or iPad into a professional-grade HDMI monitor, connecting via a right-angle Lightning-to-USB-C cable to the phone and a standard HDMI cable to the camera. The free Accsoon SEE app adds focus-check zoom, waveforms, zebras, and grid overlays on top of the phone's own high-resolution screen, which the source notes is often sharper than a dedicated on-camera monitor at this price point. Beyond monitoring, SeeMo can livestream the HDMI feed directly to YouTube and other platforms over the phone's WiFi or cellular connection, and it can record an H.264 backup clip straight to the camera roll.

• iPhone/iPad HDMI monitor adapter: connects via Lightning or USB-C, MFi certified, measures 50mm x 39mm x 80mm.
• Accsoon SEE app tools: tap-to-zoom focus check, waveforms, zebras, and grid overlays for exposure and framing.
• Direct livestreaming: streams HD video from the camera to YouTube and other platforms at up to 1080p 60fps over WiFi or cellular.
• NP-F battery powered: a single NP-F 970 battery lasts up to 8 hours, with a 5V/2A USB-C output for powering accessories.
• Backup recording: records H.264 video (30Mbps VBR, 8-bit) directly to the iPhone/iPad camera roll.