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Any amateur mirror makers still alive in Oz/Nz?
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17-10-2021, 05:08 AM
mura_gadi
(Steve)
SpeakingB4Thinking
Join Date: Apr 2019
Location: Canberra
Posts: 829
Hello,
When using a Ronchi tester, is the diameter of the returned beam on the Ronchi screen related to the diameter of the illuminated field given in "Newt for the Web"?
Thanks
mura_gadi
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