G02B 9/48
Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- + both - components being biconcave two - components being compound
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Edits on 16 Mar, 2022
Golden AI
Edits on 5 Mar, 2022
Golden AI
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G02B 9/48
Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having four components only arranged + -- + both - components being biconcave two - components being compound
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