This microscope system is a professional grade trinocular biological inverted microscope with super widefield eyepieces, and long working distance PLAN objectives. It is designed for the applications involving biological specimens in large vessels. This microscope will allow you to observe specimen in culture flasks, Petri dishes or other similarly sized containers, and it comes with long working distance PLAN objectives, high quality phase contrast objectives, super widefield eyepieces, 45 degree inclined trinocular head.