
Telescopes - Photometric Parameters For Observation Telescopes And Telescopic Sights - Part 2: Determination Of Spectral Transmission
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Telescopes - Photometric Parameters For Observation Telescopes And Telescopic Sights - Part 2: Determination Of Spectral Transmission
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻