How to Make a Padded Lens Case Using Plastic Bottles | PetaPixel
How to make VIRTUAL REALITY lens using plastic bottle-convex/magnifying lens - YouTube
One Small Step For Magnification, One Giant Leap For Home Lens Manufacturing | Hackaday
How to Make a Lens Through Silicone Molding - YouTube
Through my lens: DIY Plastic lens-hood for Industar-69 28mm f2.8 Lens
Convex Plastic Lens with Edge [40mm Diameter] : ID 3917 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
DIY photo filters with everyday objects - CNET
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Recesky Twin Lens Reflex Camera (DIY) · Lomography
DIY lenses and filters – 5 tips to get you started. - Hacking Photography