SN0319 16" f/4.75 (1.27" Pyrex)
	
OBSIDIAN OPTICS MIRROR TEST SHEET - 8/26/03

            Comments: SN0319 Greenlaw 16" f/4.7
    Optical diameter: 15.96
 Radius of curvature: 151.44
                 f/D:  4.74
    Diffraction disc: 0.000125023

 1 ZONE                1          2          3          4          5          6          7      
 2 h(x)              3.0200     4.2700     5.2300     6.0400     6.7600     7.4000     7.9800
 3 h(m)              1.5100     3.6450     4.7500     5.6350     6.4000     7.0800     7.6900
 4 hm**2/R           0.0151     0.0877     0.1490     0.2097     0.2705     0.3310     0.3905
 5 hm/4f             0.0050     0.0120     0.0157     0.0186     0.0211     0.0234     0.0254
 6 Diam1             0.0910     0.1700     0.2260     0.2900     0.3470     0.4070     0.4640
 7 Diam2             0.0790     0.1500     0.2130     0.2690     0.3300     0.3950     0.4520
 8 Diam12            0.0850     0.1600     0.2195     0.2795     0.3385     0.4010     0.4580
 9 D12 -  0.0690     0.0160     0.0910     0.1505     0.2105     0.2695     0.3320     0.3890
10 Lamda c           0.0009     0.0032     0.0015     0.0008    -0.0010     0.0010    -0.0015
11 Lamda f * 1e5       0.45       3.89       2.31       1.46      -2.13       2.25      -3.89
12 Lamda f / rho      0.036      0.311      0.185      0.117     -0.171      0.180     -0.311
13 u * 1E6            -0.06      -0.51      -0.31      -0.19       0.28      -0.30       0.51
14 Wavefront          -0.04      -0.55      -0.70      -0.72      -0.38      -0.43       0.00
	
Maximum wavefront error <= 1/20th wave averaged across two diameters

Results for individual sets of readings:
	Reading set 1: 1 / 16.1 lamda, Max Trans Abberation=0.59
	Reading set 2: 1 / 22.7 lamda, Max Trans Abberation=0.40

Polish, diffraction edge, surface smoothness all excellent.

 
 

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