Carson VisorMag 2.25x Power Clip-On Magnifying Lens for Hats (VM

See the Tiny Details, Great for Fly-Fishing, Crafts, Modeling, 1.8x Magnification, Equal to 3.3 Diopter, Coated Lenses for Light Transmission, Nose Bridge for Comfort & Stability. Whether you're trying on a tiny fly stitching an intricate pattern or just trying to read the fine print the Carson CP-12 Magnifying Hobby Glasses will be a big help. Magnification is 1.8x about the same as a 3.3 diopter adjustment.

Carson PRO Series 1.8X Power (+3.25 Diopter) Magnifying Hobby Glasses with Protective Case (CP-12) : Tools & Home Improvement

Attach-A-Mag™ Adjustable LED 2x Magnifier with Tabletop Clip on Base – Carson Optical

Carson Microscopes

eyeoomu Reading Glasses Clip On Magnifiers for Eyeglassesand Flip Up Blue Light Blocking Ultra-light Glasses for Women Men (transparent, 1.0x) : Health & Household

eyeoomu Reading Glasses Clip On Magnifiers for Eyeglassesand Flip Up Blue Light Blocking Ultra-light Glasses for Women Men (transparent, 1.0x) : Health & Household

Hat Magnifier

Lexar Global

Wearable hands-free glasses 1.8x magnification / +3.25 diopters Unique coated lenses increases light transmission and provides a durable, scratch

Carson PRO Series 1.8X Power (+3.25 Diopter) Magnifying Hobby Glasses with Protective Case (CP-12)

Riwissipa Reading Glasses Clip On and Flip Up Blue Light Blocking Magnifying Glasses Magnifiers Lenses Readers for Unisex (Transparent, 1.25) : Health & Household

Clip Flip OD-14 Carson +4.00

Attach-A-Mag™ Adjustable LED 2x Magnifier with Tabletop Clip on Base – Carson Optical

Clip On Magnifiers for Eyeglasses, 2X Magnifying Glasses Flip Up/Down Reading Glasses Reader for Seniors Elderly Women Men for Reading, Computer Use, Sewing, Close Work : Health & Household

ESAVIA Flip Up Rimless Reading Glasses Clip On Magnifiers for Eyeglasses with Portable Case Anti Blue Light and Block UV400 (2-Pack Crystal, 1.0, diopters) : Health & Household

MagEyes HatEyes #2 2.25x Magnifier Fits Hats [Office Product] : : Health & Personal Care