Join Chad Perkins for an in-depth discussion in this video About extreme compression, part of Up and Running with DSLR Filmmaking.
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Chad Perkins: Another big problem with these DSLRs is how they compress the video files …that they create. …Initially, they were meant to be deliverable files. …You would just record the videos and then post them online or turn them in to your boss or whatever. …But with the proliferation of DSLRs, we often want to use them in post. …But because they're already so heavily compressed, there is really not much room to play around …with them when you're in post-production. …For example, this heavy compression makes it really challenging if you're trying to …remove green screen.…
While more pure footage removes green screen more cleanly and evenly, even the best green …screen footage shot on a DSLR is still really compressed and creates artifacts that are …just a beast to remove. …And then when you want to composite that footage with other material, it's so compressed that …you really can't adjust the colors very much without destroying the footage. …That being said, it can be done. …When the Canon 7D first came out, I shot a huge series of visual effects shot for an …
This course was created and produced by Chad Perkins. We are honored to host this content in our library.
- Understanding aperture, shutter speed, and ISO
- Using lenses as a tool in storytelling
- Establishing focus for video
- Achieving a shallow depth of field
- Using equipment like clapperboards and matte boxes
- Editing and color correcting footage
- Using cinematography techniques to get beautiful shots
- Avoiding rolling shutter and moiré