How to turn your 50mm into a Macro lens for under $20
Coupled lenses in macro photography
The BugPhoto Guide: The Reverse Lens Method – BugPhoto.net
Reverse ring 52mm Macro Reverse lens Adapter Ring for NIKON AI Mount for D3100 D7100 D7000 D5100 D5000 18 55mm 50 f1.8 LENS|reverse ring 52mm|lens adapter ringadapter ring - AliExpress
Nikon BR-2A Lens Reversing Ring 2657 B&H Photo Video
Amazon.com : 55mm Macro Lens Reverse Adapter Ring for Nikon D3500 D3400 D5600 Camera with AF-P 18-55mm Kit Lens and More Nikon F Mount DSLR Camera with Lens Has 55mm Filter Thread :
Amazon.com : Fotodiox 52mm Macro Reverse Ring Filter Kit Compatible with 52mm Filter Thread Lenses to Nikon F-Mount Cameras - with UV Filter, Mechanical Aperture Control Adapter, and Cap : Camera Lens
Reverse Lens Macro - How to Make Macro Photos with "Backward Thinking"
Reverse Lens Macro - How to Make Macro Photos with "Backward Thinking"
Reverse Lens Macro Photography: A Beginner's Guide
Reverse Lens Macro Photography: A Beginner's Guide
Reverse Ring 52mm Macro Reverse Lens Adapter Ring Ai-52 For Nikon Mount For D3100 D7100 D7000 D5100 D5000 18-55mm 50 F1.8 Lens - Lens Adapter - AliExpress
Franken-Macro | Paul Duncan
Amazon.com : Fotodiox RB2A 52mm Filter Thread Lens, Macro Reverse Ring Camera Mount Adapter, for Nikon D1, D1H, D1X, D2H, D2X, D2Hs, D2Xs, D3, D3X, D3s, D4, D100, D200, D300, D300S, D700,