T0 -25.0[degC] Nominal camera temperature theta_x1 0.0[deg] Field angle 1, x-component theta_y1 0.0[deg] Field angle 1, y-component theta_x2 0.0[deg] Field angle 2, x-component theta_y2 3.5[deg] Field angle 2, y-component theta_x3 0.0[deg] Field angle 3, x-component theta_y3 7.0[deg] Field angle 3, y-component N_ring 15 Number of hexapolar rings P_nom 41.5[mm] Nominal entrance pupil diameter vx1 tan(theta_x1) Ray direction vector, field 1, x-component vy1 tan(theta_y1) Ray direction vector, field 1, y-component vx2 tan(theta_x2) Ray direction vector, field 2, x-component vy2 tan(theta_y2) Ray direction vector, field 2, y-component vx3 tan(theta_x3) Ray direction vector, field 3, x-component vy3 tan(theta_y3) Ray direction vector, field 3, y-component vz 1 Ray direction vector, z-component z_stop Tc_1+T_1+Tc_2+T_2 Stop z-coordinate z_image Tc_1+T_1+Tc_2+T_2+Tc_3+T_3+Tc_4+T_4+Tc_5+T_5+Tc_6+T_6 Image plane z-coordinate P_1 -1.142 Pupil shift constant 1 P_2 -0.080 Pupil shift constant 2 P_fac1 P_1+P_2*sin(sqrt(theta_x1^2+theta_y1^2)) Pupil shift factor, field 1 P_fac2 P_1+P_2*sin(sqrt(theta_x2^2+theta_y2^2)) Pupil shift factor, field 2 P_fac3 P_1+P_2*sin(sqrt(theta_x3^2+theta_y3^2)) Pupil shift factor, field 3 dx1 (dz+P_fac1*z_stop)*tan(theta_x1) Pupil center, field 1, x-coordinate dy1 (dz+P_fac1*z_stop)*tan(theta_y1) Pupil center, field 1, y-coordinate dx2 (dz+P_fac2*z_stop)*tan(theta_x2) Pupil center, field 2, x-coordinate dy2 (dz+P_fac2*z_stop)*tan(theta_y2) Pupil center, field 2, y-coordinate dx3 (dz+P_fac3*z_stop)*tan(theta_x3) Pupil center, field 3, x-coordinate dy3 (dz+P_fac3*z_stop)*tan(theta_y3) Pupil center, field 3, y-coordinate dz -30[mm] Pupil center, z-coordinate % Athermal RTV parameters alpha_B 23.4e-6[1/K] Nominal CTE of barrel alpha_S_1 alpha1_N_BK7 CTE of lens in contact with support 1 alpha_S_2 alpha1_N_SK2 CTE of lens in contact with support 2 alpha_S_3 alpha1_N_SF5 CTE of lens in contact with support 3 tS_1_i d0_1/2*(1-nu_RTV)*(alpha_B-alpha_S_1)/(alpha_RTV-alpha_B-nu_RTV*(alpha_S_1-alpha_B)) Thickness of support 1 tS_2_i d0_4/2*(1-nu_RTV)*(alpha_B-alpha_S_2)/(alpha_RTV-alpha_B-nu_RTV*(alpha_S_2-alpha_B)) Thickness of support 2 tS_3_i d0_6/2*(1-nu_RTV)*(alpha_B-alpha_S_3)/(alpha_RTV-alpha_B-nu_RTV*(alpha_S_3-alpha_B)) Thickness of support 3