You Can 3D Print and Build This 164mm f/2.5 Lens for Less Than $15 - PetaPixel

It may look unconventional, but it works!

Photographer Felix Steele has created a design for a 3D-printed 164mm f/2.5 lens that has no fasteners or screws, uses affordable glass elements, and can be built at home for less than $15. Steele c… [+5102 chars]

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