Celestron Biological Microscope with Three Objectives, 4x, 10x, 40x.

Using fully coated optics, with a mechanical tube length of 160mm, its achromatic objectives promises great observing sessions. The unit has a monocular 45° inclined, 360° rotatable head, positive click stop nosepiece with three objectives, 4x, 10x, 40x, a metal 110mm x 120mm stage and a five aperture diaphragm. It uses coarse and fine focus with electrical illumination with a tungsten 20w bulb and .65 single lens condenser. Powers are 40x, 100x and 400x using the 10x eyepiece.