Test 5. This is a 22" mirror from Galaxy Optics which produced a poor image, useable at low power only. 558.0 0.0 Mirror, obstruction diameters (mm) caustic 4950.0 Source distance (0=moving source) y, mm X, mm Y, mm 33.3 0.000 0.355 67.4 0.000 0.710 101.2 0.000 1.066 132.8 0.000 1.421 161.3 0.000 1.776 186.7 0.000 2.131 209.9 0.000 2.487 231.8 0.000 2.842 251.9 0.000 3.197 268.2 0.000 3.552 * -1.000 4970.731 Conic targets: b, R (mm) 1.0000 Measurement std deviation, mm 4943.5 Longitudinal reading bias, mm