Zoom Stereoscopic Microscope: SZ5 seriesFeatures:1. High quality, high function and excellent cost performance.2. Best choose with ergonomic design, sharp image display and wide viewing field.3. Providing a wide viewing field of Φ20mm with the zoom ratio of 1:4.5/1:4.34. Ideal instrument in academic, medical and industrial field Standard SpecificationSZ5BSZ5AViewing HeadBinocular head inclined at 45°, Interpupillary Distance 55-75mm√√Trinocular head inclined at 45°, Interpupillary Distance 55-75mmOOEyepieceExtra Wide Field Eyepiece EW10X/20√√Wide Field Eyepiece WF15XOOWide Field Eyepiece WF20XOOWide Field Eyepiece WF30XOOObjectivesZoom Objective 1X-4.5X√ Zoom Objective 0.7X-3X √Auxiliary Objective Plan 2XOOAuxiliary Objective Plan 0.75XOOAuxiliary Objective Plan 0.5XOOZoom Ratio1:4.5√ 1:4.3 √Work Distance97mm√√Focus SystemCoarse Adjustment√√Working StageTransparent Glass Insert√√IlluminationAC100V240V, Transmissionℜflected Super LED Lamp, Brightness adjustable.√√Optional partsPolarization Attachment (Analyzer and polarizer)OOCold Light Illumination with Dual Light GuideOOTemperature Controlled StageOODark filed AttachmentOOHigh resolution COMS Digital Camera 3.0MP,5.0MP,9.0MP with softwareOOPhoto AttachmentOOVideo Adapter with C mountOORing LED illuminationOORing Fluorescent IlluminationOONote:"√" standard outfit,"O" optional