The Celestron 44104 can be used to examine just about any specimen...

 

The above video is user footage taken from a camera phone looking through the 44104 at a sperm sample.  Sperm slide not included.

This high quality scientific instrument features high quality optics for clear images, a moveable stage, smooth focusing coarse and fine focus knobs, as well as both a mirror and LED light for the optimal microscopic experience.  Buyers have all been fascinated with the sturdiness in the 44104's construction.  While it is advanced enough for the pros, hobbyists and beginners will have an easy time using this wonderful instrument.

The Celestron(r) 500x Advanced Biological Microscope is an intermediate level microscope with several advanced features, including an electric illuminator that provides direct control of light, along with an Abbe condenser and Iris diaphragm that concentrate and adjust the illumination. The advanced biological microscope features a monocular, adjustable microscope head that rotates from 0 to 60 degrees for comfortable viewing.