Product Name: 27mm F/L X 22.5mm Diameter UV Fused Silica Bi-Convex Lens Model NO.: D5~D300mm Coating: Ar Bbar Customized: Customized Certification: RoHS, ISO9001 Lenses Color: Clear Material: Optical Glass Shape: Spherical Plano Convex Lenses Transmittance: >95% Type: Convex Lens Usage: Optical Trademark: ICC Origin: Qinhuangdao China HS Code: 9001909090 Product Description Material: UV Fused Silica (1.458) Good transmission down to 200nmDiameter: 22.5mm +0 / - 0.1mmFocal Length: 27mm +/- 2%Center Thickness: 7.80mm +/- 0.2mmEdges: Fine GroundSurface Quality: 60/40Centration: 3 arc mins Part Number EFL(mm) H(mm) L(mm) R(mm) Tc(mm) Te(mm) BFL(mm)ICCS11-8 8.00 7.20 11.00 3.67 4.90 2.00 4.64ICCS14-10 10.00 9.00 14.00 4.58 5.60 2.00 6.16ICCS15-12.7 12.70 10.00 15.00 5.82 4.80 2.00 9.41ICCS15-25 25.00 10.00 15.00 11.46 3.10 2.00 22.87ICCS18-19 19.00 16.00 18.00 9.81 6.10 2.00 14.96ICCS17-20 20.00 15.00 17.00 10.33 5.20 2.00 16.56ICCS22-25 25.00 20.00 22.00 12.97 6.70 2.00 20.60ICCS23-25 25.00 15.00 23.00 11.46 4.80 2.00 21.71ICCS22-30 30.00 20.00 22.00 15.94 5.70 2.00 26.33ICCS35-25.4 25.40 23.00 35.00 11.65 11.60 2.00 17.45ICCS30-75 75.00 20.00 30.00 34.38 3.50 2.00 72.60Return