Thåst Viewfinder — DeckLink SDI passthrough that injects tally, frame lines and a confidence monitor into a Blackmagic camera's viewfinder feed (TSL UMD input + Companion/HTTP control)
broadcast sdi blackmagic tally video-production viewfinder decklink ursa live-production tally-light bitfocus-companion tsl-umd broadcast-engineering vanc
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Updated
Jun 18, 2026