These aspect ratios were created deliberately as disruption factors - basically the cinema/theatre industry discriminating against 4×3 broadcast television. As long as the deliverables contract says it’s OK, there’s no real issue. There are channels and streaming services that will take almost any aspect ratio you throw at them, but there are others that demand normal 1.85 or 1.78 or 2.39. The problem comes with people who don’t know that and edit the entire project in 1.90 and assume that’s how it’s going to play on TV and in the theater. I think the chip makers basically decided that 1.90 was the biggest chip they could make and still get effective yields from their factory, and if you shoot with that and then crop to 1.78 - very typical for TV - now you have a little extra room for reframing. My guess: 1.90 is the native aspect ratio of the chip, and some filmmakers are not aware that this is not an acceptable aspect ratio for final release. Most cameras also offer recording with 1:89, probably for no other reason than it being “compatible” with that strange 2048/1080 ratio. ![]() Ryan Ivkovic] “Has someone ever found the reasons for these weird choices in the standards? I’m curious too. Marc you’ve been around the Cow long enough to know that there’s always somebody who cares about this stuff! □ ![]() Grandma just bought that new 4K TV and it still has black bars?! “There are cable channels that expressly forbid 1.85 matted films.”Īnd for good reason…who, outside of our industry, would understand why their widescreen TV still has black bars on the top and bottom of the frame. Other times I think manufactures just like to troll us and see if we adapt! □ So the manufacturer is just utilizing the sensor in such a way that XYZ aspect ratio comes out knowing that the post-community will pan/scan/crop and pop to make it work. Some ratios are tied to the actual sensor within the camera. But it’s still worth a watch if you have 15 minutes (or leave on in the background while doing something else): ![]() “Does anyone have a concise history or explanation for the difference between 1.85:1 and 1.89:1?”īlase, there’s a great video from filmmakeriq about the history of aspect ratios, though I’m not sure if it got into 1.89 vs 1.85.
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