this post was submitted on 12 Nov 2023
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All good cameras are still huge and expensive. We got shitty cameras in our phones but since we stopped using proper cameras we forgot how bad they are compared to the real stuff.
He's not talking in comparison to shitty phone cameras, but in comparison to DSLR type cameras, why they are not good enough for broadcast TV.
DSLRs just don't have the types of lenses and a ton of electronics and features that are in broadcast cameras. Broadcast cameras have things like 3-CCD sensors, built-in variable ND filters, reference/sync inputs, multiple video outputs (clean, pix) over SDI or SMPTE 2110 or connectivity to a CCU (camera control unit). They'll often support intercoms and return video for the camera operator or for teleprompting. Source: am broadcast engineer.
Keeping things in focus with enough available light to properly expose a subject in motion and compose a frame without distortion. Maybe we're spoiled because our eyes are small and squishy, but they see pretty well. But it turns out our eyes just cheat a lot with ~~the biological equivalent of "AI"~~ our brains filling in the gaps.
How far back would you have to go for today's phone cameras to compare to the big TV cameras? It seems like the latest and greatest will always be large, but the small cameras will also continue to improve over time.
There is a physical limit. You need photons to hit a sensor. Professional cameras use huge lenses to condense photons on to large sensors. Phones need tiny lenses and even tinier sensors.