1. Dimensions: All dimensions in mm. 2. Material: Polystyrene, fine-annealed and stress relieved Refractive index Nd=1.590481 Vd=30.8669 3. Workmanship: to conform with MIL-O-13830A. 4. Sharp edges: Break all sharp edges 0.2+0.2x45° 5. Surface Finish: Surface #1 & #2 to be single-point diamond-turned or molded All other surface fine ground 6. Clear apperture: Surface #1: ∅37.2 mm Surface #2: ∅43.6 mm 7. Surface quality (roughness): Surface #1 & #2: Scratch and dig 60-80 8. Surface figure: Surface #1 & #2: Aspheric shape per equation: Z=Y2/R/(1+sqrt(1-(K+1)*Y 2/R2))+A *Y2+A *Y4 +...+An*Y2n 1 2 Z=Sag Y=Radial Coordinate R=Radius of curvature at vertex K=Conic constant Surface #1: R= -19.3420773682 ± 0.02 K=0 A1=0 A2=0.00038585554 A3=-2.6968444e-006 A4=1.4439017e-008 A5=-6.0067195e-011 A6=1.7639643e-013 A7=-3.0204935e-016 A8=2.255482e-019 Irregularity: 2 Fringe (PTV) Surface #2: R= 24.0955526894 ± 0.02 K=0 A1=0 A2=7.2720349e-005 A3=-8.5635801e-007 A4=3.8617447e-009 A5=-1.1763066e-011 A6=2.3899135e-014 A7=-2.8218025e-017 A8=1.3837995e-020 Irregularity: 2 Fringe (PTV) 9. Centering: Maximum edge thickness variation to be less than 0.04 mm TIR 10.Coating: The following specification are for spectral range of 0.48 to 0.65 micron, for unpolarized light and average over both the spectral band and the angle of incidence range. 10.1 Coating clear aperture shall be: Surface #1: ∅38 mm Surface #2: ∅44 mm 10.2 Coat surface #1 and surface #2 HE Anti-Reflective coating 10.3 The average reflectivity at angle of incidence between 0° and 45° for both surfaces #1 & #2 shall be less than 1 % per surface 11. Packing: Each lens shall be wrapped and bagged separately in a bag and marked per MIL-STD-130 with P/N, S/N, Material, etc. The packaging shall provide sufficient protection during commercial shipping and storage. 12. Documentation: Each lens shall be supplied with the following: - log of inspection result signed by Q.C. (100 % inspection). - Profilometer scans for Aspherical surface (or interferogram) to validate deviation from required surface roughness and surface figure per Note 7 and 8) Each lens batch shell be supplied with: - Material certification by the original supplier. - Reflectance and transmission tests. 0.0000 Sag, mm Aspheric Surface Sag (Surface #1) Y, mm -5.589220e-001 -5.081653e-001 6.000 12.000 -9.608821e-001 0.0000 18.800 Sag, mm Aspheric Surface Sag (Surface #2) Y, mm 0.0000 3.263096 8.190954e-001 12.000 5.892087 6.000 18.000 7.036369 0.0000 22.200 Material Scale 1:1 One for both Lens 2 GEN.TOLERANCE ±0.1 Ref: DRAWN. DESIGN CHECK APPROV NEXT ASSMBLY: Zone PAR Name Date Date Rev B Sign Name 0000.0000.0000.0000 DWG. No For production QTY Sensics, Inc