Visor-type hands-free headband magnifier with light, visor-type, lenses 1.5X to 3.5X With light_No 55mm lens diameter

55mm lens diameter

You probably don't need to know that

it's easier to use a dichroscope

computer/mobile device/powerbank)

Visor-type hands-free headband magnifier with light, visor-type, lenses 1.5X to 3.5X With light_No 55mm lens diameterDetails Four pairs of lenses giving 1. 5X, 2X, 2. 5X and 3. 5X magnification. Traditional 'closed in' design cuts out distractions and protects the eyes from lathe work swarf (chips) and shavings, or from the dirt produced when polishing. Simple sturdy (but comfortable) no frills design. Magnification & working distances: see chart on next tab. Lenses: optical grade acrylic Presentation: lenses housed in a plastic box, everything nicely presented in a