PARFOCAL TUBE FOR Spencer, AO American Optical TRINOCULAR MICROSCOPE

PARFOCAL C-MOUNT ADAPTER FOR Spencer, AO, American Optical TRINOCULAR MICROSCOPE

AO American Optical Microscope Darkfield Condenser 1.15 to 1.25 SL. TH. -In case

American Optical Cat 265 2X Auxiliary Lens for the Cycloptic Microscope

AO American Optical Microscope Darkfield Condenser 1.15 to 1.25 SL. TH. w. Case

AO Series 20/Series 120 Microscope LED Bright White 5000K Bi-Pin Base G6.35

Asahi Optical Co Ltd Japan Microscope Adapter for Pentax camera body mount