[Brightfield & Darkfield]: NA 1.25 Abbe condenser with iris diaphragm, Support brightfield and darkfield.【Noticed: Because different types of dark fields have high requirements for light, this dark field microscope is for researching live blood】 [Eyepieces & LCD Screen]: Equipped with WF10X/16X/25X glass eyepieces fixed at an ergonomic 30-degree tilt to reduce neck strain, easily adjustable for different interpupillary distances without losing focus, 5MP E-eyepiece and 360 degrees 7" LCD display allows you to get a larger field of view directly from the screen without an external large screen display, provide a more comprehensive view and enable sharing. 4 Achromatic objectives offer 4x 10x 40x(s) 100x(Spring Oil). [Double-layer mechanical stage & LED light]: With 1.0mm stage divisions, locks slide into place and provides precise slide manipulation along the X- and Y-axis to allow coordinates to be recorded, enabling the viewer to return to a specific location on the slide. LED illumination, and 1.25 NA Abbe condenser with iris diaphragm for clear examination and light control [LED illumination & Condenser]: LED illumination, and 1.25 NA Abbe condenser with iris diaphragm for clear examination and light control. [Best Gift & Carry Case]: Comes with an aluminum carry case which is perfect to protect the device and accessories, best gift for microbiological enthusiasts. [Darkfield Blood Model] Lab Darkfield & Brightfield Vabiooth Trinocular Compound Microscope 40X-2500X Magnification with 7" Monitor 5MP E-Eyepiece, Adjustable Mechanical Stage, LED Illumination