55MM HD 8K EXTREME SPORT FISHEYE LENS + MACRO FOR NIKON D3400 WITH 18-55MM LENS | eBay
Cheap, old and unusual optics repurposed as extreme macro lenses
Amazon.com : Fotodiox Pro Macro Extension Kit with LED Ring Light 48a for Extreme Macro Photography, fits Sony NEX-3, NEX-5, NEX-5N, NEX-7, NEX-7N, NEX-C3, NEX-F3, Sony Camcorder NEX-VG10, VG20, FS-100, FS-700 :
Macro Photography Tutorial: How to Take Stunning Close-Ups You'll Love - FeltMagnet
Extreme Macro Using Reversed Enlarger Lenses - YouTube
Extreme macro portrait of a ant taken with two lenses as one lens, stacked from many shots into one very sharp photo. Stock Photo | Adobe Stock