Invaluable for microphotography of dark field work. With removable condenser and iris diaphragm and filters blue and white light controlled by continuously variable transformer. On stand for 220-240V a.c. supplies.
Sub stage illuminator which fits in place of mirror. Mirror is removed by loosening retaining grub screw. The light passes through a blue filter. With bulb for 220-240 a.c. supplied or 12V 15W bulb if so desired.