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If you have ever played around with lenses, you’ll know that a convex lens can focus an image onto a target. It can be as simple as focusing the sun …read more Continue reading All You Need To Know About Photographic Lenses
The F-number of a photographic lens is a measure of its light-gathering ability, and is expressed as its aperture diameter divided by its focal length. Lenses with low F-numbers are …read more Continue reading A Low F Number Lens, From Scratch
![[miko_tarik] wearing diy AR goggles in futuristic setting](https://hackaday.com/wp-content/uploads/2024/11/diy-ar-goggles-1200.jpg?w=800)
If you’re into pushing tech boundaries from home, this one’s for you. Redditor [mi_kotalik] has crafted ‘Zero’, a custom pair of DIY augmented reality (AR) glasses using a Raspberry Pi …read more Continue reading Pi Zero to AR: Building DIY Augmented Reality Glasses
[The Thought Emporium] has been fascinated by holograms for a long time, and in all sorts of different ways. His ultimate goal right now is to work up to creating …read more Continue reading Creating Customized Diffraction Lenses For Lasers
Though smartphone cameras can snap stunning images, most pros will haul a dedicated camera to assignments. Space inside camera bags is at a premium, but a nifty lens from Samyang could lighten the load by allowing optical elements to be swapped out.Con… Continue reading Novel autofocus prime lens lets users swap out optical elements
Contact lenses get pretty thin nowadays, but they’ve got nothing on a new lens from scientists at Stanford and the University of Amsterdam. The team has created the world’s thinnest lens, measuring just three atoms thick.Continue ReadingCategory: Physi… Continue reading World’s thinnest lens is just three atoms thick
While most of us are probably willing to pick up the tools and void the warranty on just about anything, often just to see what’s inside, many of us draw …read more Continue reading Broken Lens Provides Deep Dive Into Camera Repair
The Raspberry Pi has provided experimenters with many channels of enquiry, and for me perhaps the furthest into uncharted waters it has led me has come through its camera interface. …read more Continue reading The F Number On A Lens Means Something? Who Knew!
Scientists have developed a new type of lens that creates multiple focal points, which could make for glasses or contacts that provide a clearer view over a range of distances. The secret? Making the lens a spiral shape.Continue ReadingCategory: Techno… Continue reading Glasses with spiral lenses could help you see clearer, farther
When one thinks of applications for 3D printing, optical components don’t seem to be a good fit. With the possible exception of Fresnel lenses, FDM printing doesn’t seem up to …read more Continue reading A 3D Printed Grinder for Printed Lens Blanks