How Does a Fresnel Lens Work? The Magic Behind the Glass

I have a thin piece of plastic mounted on the back window of my RV. It magnifies things so I can see better when I'm backing up. How can such a thin piece of plastic magnify things? A regular glass magnifying lens would have to be curved on both sides and much thicker.

Solar Death Ray: Cooking with a Fresnel Lens from a Projection TV

The Remarkable Fresnel Lens

This pane of glass can make objects disappear : r/blackmagicfuckery

2pcs New Small Fresnel Lens Diameter 80mm Focal Length 70 Mm 35mm

I am relatively new to printing, and my screen broke due to mis

Fresnel Lens, Diameter 200mm (7.9''), Focal Length 100mm, Acrylic

Stretchable Binary Fresnel Lens for Focus Tuning

Recumbent prisms and fresnel prisms

Wide field light-sheet microscopy with lens-axicon controlled two

Hersmay NG-10X Fresnel Lens Focusing Adapter Fresnel Spot S Mount

High Quality Fresnel Lens Diameter 140mm*90mm And Focal Length

How Does a Fresnel Lens Work? The Magic Behind the Glass

Sensors, Free Full-Text

Nikon's Phase Fresnel (PF) lens explained - Nikon Rumors