2007منتدى Cameras (Film/Video/HD)
Stereoscopic 3D camera systems and shooting techniques for 3D video production
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- The 3DVX3.5 uses two modified Panasonic DVX cameras that output uncompressed 6CCD HD video, synchronized by dual Mac operating systems with dual FireWire drives recording the footage
- A dual HVX-200 model produces uncompressed video with doubled specifications including 2K resolution and extended latitude
- Stereoscopic 3D works on the principle that each eye sees a slightly different perspective, similar to how a pencil appears to move when you blink between eyes
- Operators should monitor both left and right camera perspectives simultaneously when framing subjects close to the camera or near frame edges to ensure proper convergence and composition
- When shooting 3D, maintain extra safe action space along frame sides and keep subject distance in mind, as excessive proximity may result in convergence adjustment issues during editing
- The monitor during 3D shoots typically displays one channel, though specialized 3D glasses with wireless transmission can display both perspectives in real time
- Close proximity between camera and subject has physical limits similar to human vision—beyond a certain distance reduction, the subject appears doubled and convergence becomes difficult to correct in post-production
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- Experience reports are anecdotal from 2007, when 3D video technology was emerging
- Specific technical implementation details are limited to those particular camera systems
- One participant mentioned uncertainty about which monitor channel was being viewed
- The discussion does not provide quantitative data on camera weight, recording bitrates, or specific technical specifications