Matt Blaze on Nostr: First are shift controls. They're used to correct geometric distortion caused by ...
First are shift controls. They're used to correct geometric distortion caused by perspective. Most cameras look "straight ahead", such that you're photographing right the middle of whatever's in front of the lens. Say you want to photograph a tall building. Normally you have to tilt the camera upward, which causes "keystoning", where the sides of the building converge toward the top. Shift controls let you keep the camera pointed straight ahead, allowing geometrically accurate photos like this:
Published at
2023-05-12 21:29:27Event JSON
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"content": "First are shift controls. They're used to correct geometric distortion caused by perspective. Most cameras look \"straight ahead\", such that you're photographing right the middle of whatever's in front of the lens. Say you want to photograph a tall building. Normally you have to tilt the camera upward, which causes \"keystoning\", where the sides of the building converge toward the top. Shift controls let you keep the camera pointed straight ahead, allowing geometrically accurate photos like this:\n\nhttps://cdn.masto.host/federatesocial/media_attachments/files/110/357/832/084/409/946/original/451a740ab66fe87e.jpeg",
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