Re[2]: [ATM] Is There a Difference

[Richard <cnc@cncservo.co.uk>]

Hi James,

Thought you may like another reference curve for your mirror
performance graph. This is a 150mm F/8 Ritchey Cretien with two
element corrector, and with 'perfect' optics. Nice to see just
how good it can get, eh? :)

Off Axis deg.   Strehl

0.00    0.99998916
0.01    0.99998913
0.02    0.99998980
0.03    0.99999050
0.04    0.99999129
0.05    0.99999197
0.06    0.99999233
0.07    0.99999212
0.08    0.99999107
0.09    0.99998893
0.10    0.99998545
0.11    0.99998045
0.12    0.99997376
0.13    0.99996537
0.14    0.99995520
0.15    0.99994342
0.16    0.99993019
0.17    0.99991589
0.18    0.99990104
0.19    0.99988617
0.20    0.99987190
0.21    0.99985911
0.22    0.99984858
0.23    0.99984121
0.24    0.99983784
0.25    0.99983923
...
0.30    0.99992249
0.40    0.99892977
0.50    0.99439048

-- 

Best regards,
  Richard in the UK



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