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Any chance of 3D-printing lenses? Yes, it's called "grinding", it's how all lenses used to be made. For like, 500 years. Next up: can we make lenses on the bl
by gaius 8y ago
Any chance of 3D-printing lenses?
Yes, it's called "grinding", it's how all lenses used to be made. For like, 500 years.
Next up: can we make lenses on the blockchain?
- wlesieutre 8y agoSubtractive manufacturing is not the same as additive manufacturing. Formlabs has demoed a 3d printed camera lens, but it's a far cry from the optical quality of eyeglasses. https://formlabs.com/blog/creating-camera-lenses-with-stereolithography/ https://formlabs.com/blog/creating-camera-lenses-with-stereo...
- mmagin 8y agoI suspect a lot of the polymer lenses are cast to a rough shape and then ground/polished a relatively small amount to reach the final dimension.
- bagrow 8y agoWho does the grinding? How many people in third world countries have access to trained and equipped lensmakers? I’m sad about all your hate. I thought posters to HN were more insightful that this.