SN0329 12.5" f/5.07 (1.5" Pyrex)

      		OBSIDIAN OPTICS MIRROR TEST SHEET - 3/16/04

           Comments: SN0329 Killiam 12.5" f/5 
   Optical diameter: 12.44  
Radius of curvature: 126.75
                f/D:  5.09
   Diffraction disc: 0.000134249

	ZONE                1          2          3          4          5      
	h(x)              2.5000     3.7700     4.7200     5.5400     6.2200
	h(m)              1.2500     3.1350     4.2450     5.1300     5.8800
	hm**2/R           0.0123     0.0775     0.1422     0.2076     0.2728
	hm/4f             0.0049     0.0124     0.0167     0.0202     0.0232
	Diam1             0.0645     0.1270     0.1935     0.2595     0.3240
	Diam2             0.1070     0.1735     0.2365     0.3000     0.3650
	Diam12            0.0857     0.1502     0.2150     0.2797     0.3445
	D12 -  0.0722     0.0136     0.0781     0.1428     0.2076     0.2723
	Lambda c          0.0012     0.0005     0.0006    -0.0001    -0.0005
	Lambda f * 1e5      0.61       0.65       1.08      -0.13      -1.08
	Lambda f / rho     0.045      0.048      0.080     -0.010     -0.080
	u * 1E6            -0.10      -0.10      -0.17       0.02       0.17
	Wavefront          -0.18      -0.22      -0.30      -0.20       0.00

Mirror wavefront error < 1/25th wave across both diameters

Polish, diffraction edge, figure of revolution, and smoothness all excellent.

Diam1 arithmetic wavefront error = 1 / 57.1 wave at zone 2
        Reading Diam1 set 1: 1 / 45.1 lambda, Max Trans Aberration=0.13
        Reading Diam1 set 2: 1 / 36.7 lambda, Max Trans Aberration=0.17

Diam2 arithmetic wavefront error = 1 / 27.1 wave at zone 3
	Reading Diam2 set 1: 1 / 27.1 lambda, Max Trans Aberration=0.19
	Reading Diam2 set 2: 1 / 26.9 lambda, Max Trans Aberration=0.25
 
 

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