User contributions for 2A02:578:850B:1200:60B7:8156:B1C1:4C20
Results for 2A02:578:850B:1200:60B7:8156:B1C1:4C20 talk block log logs global block log filter log
14 February 2023
- 19:4119:41, 14 February 2023 diff hist −603 List of largest optical refracting telescopes The LSST is not a refractor, but a reflector. It uses mirrors. The only lenses used are correction lenses for the camera, not for the aperture. Should be moved to the list of reflectors, thus. Tag: section blanking
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