A fantastic eye loupe by Schweizer. The housing is aluminum (anodized), it has a biconvex silicate glass lens and an air-circulation hole. The lens is scratch-resistant and produces a very sharp and extremely high contrast image. Schweizer uses a UV absorbent optical crown as used with prescription lenses (refractive index n=1.52).

• Magnifications: 2.5x, 3x or 4x
• Lens diameter Ø25mm
• Silicate glass & plano-convex lens
• Aluminum housing (anodized)
• Air circulation hole