GS-B250 Binocular Compound Microscope 40X-2500XThe B250 binocular compound microscope is small, but it packs a big punch. The sleek, compact design uses a minimal footprint while providing high efficiency features like a Siedentopf head, coaxial coarse and fine focus, and a 2 layer mechanical stage. The reversed lens turret maximizes the stage's working space. The microscope is perfect for classroom workstations or labs with limited space. To customize the microscope to your viewing comfort, the