About this item: 
HSL-007 Binocular Microscope coaxial coarse and fine adjustment to complete biological experiments precisely, Comes with phone mount and Shockproof and drop-proof handbag. easy to store and carry. 
Siedentopf binocular head with pairs of 10x widefield and 25x widefield eyepieces. Six widefield magnification settings: 40X, 100X, 250X, 400X, 1000X and 2500X. 
Double-layer mechanical stage, locks slide into place and provides precise slide manipulation along the X- and Y-axis to allow coordinates to be recorded. A 1.25 NA Abbe condenser is installed under the stage. 
HSL Microscope with 4x, 10x, 40xS (spring), and 100xS (spring, oil) DIN achromatic objectives. Powerful single bulb LED illumination with dimmer. Applicable voltage 110V-240V.