Talk:Active surface
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only radio telescopes?[edit]
This indicates that active surface only applies to radio telescopes. Seems to me that it should apply to any system, including optical telescopes, with an active reflector. Gah4 (talk) 01:09, 7 October 2017 (UTC)
OK, maybe that should be active optics instead, but I still don't see the reason for the two. Gah4 (talk) 01:52, 7 October 2017 (UTC)