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Hypercentric optics: A camera lens that can see behind objects

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Applied Science

Telecentric and hypercentric optics are very different from our eyes or normal camera lenses. They have "negative" perspective or no perspective, respectively, leading to very unusual images. In this video I show how to use a common fresnel lens in the creation of your own telecentric optical system.

Fresnel lens, 300mm dia. 200mm FL is sold out... https://www.amazon.com/gp/product/B07...

$5 projection lens on eBay: https://www.ebay.com/itm/Delta108Pr...

Good practical discussion of telecentric optics: https://www.lockhaven.edu/~dsimanek/s...
https://www.mii.cz/art?id=626&lang=40...

Idea to use macro tubes for telecentric conversion of normal lenses came from here: http://www.4photos.de/cameradiy/Tele...

Indepth info on telecentric lenses: https://schneiderkreuznach.com/applic...

Commercial hypercentric and telecentric lens maker: https://lw4u.com/

Paper on making telecentric lenses with fresnel front elements: https://scihub.tw/10.1117/12.455256

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posted by almostnoble1x