optical design

URI: https://gptkb.org/prop/optical_design
4 triples
GPTKB property
Random triples
Subject Object
gptkb:Porro_prism_binoculars offset barrels
gptkb:Gregory-Maksutov_telescope gptkb:Maksutov-Cassegrain
gptkb:Leica_Summitar_lens 7 elements in 4 groups
gptkb:Maksutov–Cassegrain_telescope Cassegrain configuration