CPC Subgroup
G02B 21/08 Condensers
Full Title
Microscopes > Means for illuminating specimens > Condensers
6 direct subcodes
Child Classifications
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- G02B 21/10 affording dark-field illumination (G02B21/14 take precedence)
- G02B 21/12 affording bright-field illumination (G02B21/14 takes precedence)
- G02B 21/14 affording illumination for phase-contrast observation