The Celestron Model #44102 Laboratory Biological Microscope is an economical entry level biological microscope that includes some impressive features including a condenser, diaphragm, and a 3 position objective turret - features that are not typically found on many microscopes in this price range. This microscope is ideal for educational environments due to its low cost and simple design. The monocular head adjusts from 0° to 60° for comfortable viewing, and the fixed stage includes slide clips to secure samples.