AstrHori Macro Probe 18mm F/8 (MFT-Mount) LEN1011

APS-C | f/8 to f/28 36mm Full-Frame Equivalent Unique Probe Design for Close-Up Work 2:1 Magnification Min. Focus: 1.6'; Working Distance: 0.2" Built-In LED Ring Light, USB-C Power Long Lens Barrel, Small Front Diameter Waterproof Front Lens Barrel