capture cards are devices primarily intended for game streamers to give your computer an hdmi input to stream/record games from a game console, but are also use

capture cards are devices primarily intended for game streamers to give your computer an hdmi input to stream/record games from a game console, but are also useful for other purposes such as turning your dslr into an expensive webcam. i have this one: https://www.elgato.com/en/gaming/game-capture-hd60-s-plus https://www.elgato.com/en/gaming/game-capture-hd60-s-plus you can find others from magewell i don't have measurements but the latency was indistinguishable from a directly connected webcam.