930-023

Video adapter tube, 23.3mm O.D. (fits inside standard compound microscope eyepiece tube, for use without eyepiece)

925

Add-on 115v 15 watt with in-line on/off switch

930-028

Video adapter, over-the-eyepiece type, includes adapter rings to fit over both 28mm O.D. compound and up to 34mm O.D. stereo eyepieces

920

Abbe condenser, N.A. 1.25, spiral type with iris diaphragm.