Product detail: - Experience superior magnification with our 2.5x Surgical Loupe, perfectly compatible with the BiLumix Headlamp. - Engineered for surgical excellence, this loupe provides exceptional clarity and ergonomic design. Specifications: - Magnification: 2.5x. - IPD ranges: 56 mm ~ 72 mm. - Working Distance: 25 cm ~ 60 cm. - Adjustable focal distance. - Product Dimension (mm): 74(W) x 18(H) x 20(D). - Product Weight: 45 Gr. Compatible Devices: - BiLumix Headlamp Gen 2. - BiLumix Headlamp Gen 2S. - BiLumix Headlamp Gen 3. - BiLumix Headlamp Gen 3S.