Double Convex Lenses By Bishwanath Photo Engraving Works

These lenses have no outward curved faces. Double-Convex Lenses have a positive focal length and will act as a magnifying or condensing lens.     Diameter Scratch/Dig Diameter Tolerance Center Thickness Tolerance Edge Thickness Tolerance Centering Tolerance Bevel 3.00-5.00 60/40 +0.0/-0.05 ±0.1 Reference 3-5 orc min 0.1*45° 5.01-40.00 60/40 +0.0/-0.10 ±0.1 Reference 3-5 orc min 0.1*45° 40.01-50.00 80/50 +0.0/-0.10 ±0.1 Reference 3-5 orc min 0.1*45°