American AO/Spencer Cat. C115 43X 0.66 Microscope Objective Pristine Condition

American Optical AO Spencer 10x N.A. .25 Microscope Objective Lens

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

American Optical Spencer Microscope Condenser N.A. 1.25 Buffalo

AO Spencer Stereo Zoom Microscope Binocular Head - Only

Spencer American Optical AO N.A. 1.25 Microscope Condenser

AO Spencer Cycloptic Stereo Zoom Microscope Stage Specimen Clips Pair

American Optical Spencer Stereo Zoom Microscope Head, No Objectives