secondary mirror type

URI: https://gptkb.org/prop/secondary_mirror_type
3 triples
GPTKB property
Random triples
Subject Object
gptkb:Argunov–Cassegrain_telescope spherical
gptkb:Gregory-Maksutov_telescope aluminized spot on corrector
gptkb:Maksutov–Cassegrain_telescope aluminized spot on corrector