Hypercentric optics: A camera lens that can see behind objects
Overview
Applied Science shows how telecentric and hypercentric optics differ from normal lenses, producing no or negative perspective. The video builds a telecentric system from a Fresnel lens and demonstrates a lens that can see around objects.
On Hacker News
Commenters cite it as the clearest demonstration of hypercentric lenses and of looking around objects with optics.
Topics
Sources
Video by Applied Science, played through YouTube.
Data and selection notes
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HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.
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Selection checks
- SaaS & AI candidates: Topic keywords do not match
- Editor-approved picks: Editorial review is required
What people said