CPC Subgroup
G02B 27/50 Optics for phase object visualisation
Full Title
Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 > Optics for phase object visualisation
2 direct subcodes
Child Classifications
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- G02B 27/52 Phase contrast optics (in microscopes G02B21/14)
- G02B 27/54 Schlieren-optical systems