Feature:1. 7X45X ultrawideangle zoom magnification capability, easy to observe the internal structure of the object.2. Trinocular interface, can add photo or video function, suitable for stereo microscope.3. 30mm ultrawideangle WF10X eyepiece, the field of view is 20mm.4. High resolution, high flatness and contrast, clear and distinct images.5. 45degree tilt and 360degree rotating confocal trinocular can be used with a work frame.Specification:Item Type: Microscope LensMaterial: GlassModel: White 7X-45XLens: 45-degree tilt and 360-degree rotating trinocular to simulate focal lengthEyepiece: 30mm super wide-angle high eyepiece WF10X/20XObjective Lens: 0.7-4.5XZoom Range: 0.7-4.5X, 6.5:1Trinocular Mouth: 23mm / 0.9in Photography MouthPupillary Distance: 2-1/8in - 3in (54-76mm)Field of View: 1-1/4in (33mm)Working Distance: 7X-45X(100mm)Head Installation Diameter: 3in (76mm).Package List:1 x 0.5X Objective Lens1 x 2.0X Objective Lens2 x Wide-Angle Eyepiece1 x Microscope Lens2 x Dust Cover1 x Eye-GuardNote:Just accessories for the microscope lens, it needs to be used with the same size work frame.