Finest Quality Advanced Student Microscope with Fine Focus

Advanced Student Microscope Description   ADVANCED STUDENT MICROSCOPE With extra-sturdy construction, international-standard DIN, fully coated eyepiece and objectives, this is an excellent student microscope. It provides good resolution and centering, and maintains focus when objectives are changed. Stage clips, rack stops, smooth positive mechanical movements, built-in illuminator, coarse and fine focus. Features   Real optical glass lenses Wide-field (15mm diameter) eyepiece with graduated pointer (10X) Inclined, 360-degree rotating head provides more comfort and ease of use Revolving nosepiece with click stops keeps your specimen centered while changing magnification Four achromatic objective lenses ( 4X, 10X, 40X , 100X-Oil immersion ) Magnification power 40X, 100X , 400X, 1000X Numerical Aperture 0.10, 0.25, 0.65, 1.25 Mechanical Stage: Holds microscope slide in place and allows slide to be moved precisely left/right and forward/backward during observation. Range