Product Name: iPhone Microscope Model NO.: stereo microscopes Principle of Optics: Differential Interference Contrast Microscope Principle: Optics Usage: Teaching, Research Shape: Rectangular Prism Kind of Light Source: Ordinary Light Stereoscopic Effect: Stereoscopic Effect Mobility: Desktop Number of Cylinder: Binoculars Type: Biological Magnification: 40X-1600X Trademark: shinea Transport Package: Foam+Carton Box Specification: 1pc/ctn Origin: China HS Code: 9011800090 Product Description Series Stereo Zoom Microscope is fully coated optical system with super high resolution. It is characterized by brand-new optical design, the best reproduction and true color image. It is ideally suited for industrial as well as for biological research where high precision, maximum working distance and large field coverage is required.EyepieceStandardAuxiliary Lens 0.5XAuxiliary Lens 1.5XAuxiliary Lens 2XW.D. 105mmW.D. 177mmW.D. 47mmW.D. 26mmMag.F.O.VMag.F.O.VMag.F.O.VMag.F.O.V10X/22mm6.7X32.8mm3.4X65.7mm10.1X21.9mm13.4X16.4mm45.0X4.9mm22.5X9.8mm67.5X3.3mm90.0X2.4mm15X/16mm10.1X23.9mm5.0x47.8mm15.1X15.9mm20.1X11.9mm67.5X3.6mm33.8X7.1mm101.3X2.4mm135.0X1.8mm20X/12mm13.4X17.9mm6.7X38.5mm20.1X11.9mm26.8X9.0mm90.0X2.7mm45.0X5.3mm135.0X1.8mm180.0X1.3mm25X/9mm16.8X13.4mm8.4X26.9mm25.1X9.0mm33.5X6.7mm112.5X2.0mm56.3X4.0mm168.8X1.3mm225.0X1.0mm30X/8mm20.1X11.9mm10.1X23.8mm30.2X7.9mm40.2X6.0mm135.0X1.8mm67.5X3.6mm202.5X1.2mm270.0X0.9mmMagnification 6.7X-45X, 3.4X-270X with optional eyepieces and objectivesEyepiece WF10X/22mm high-eyepoint, wide-field; Convenient for observerswearingglassesOptional Eyepiece WF10X/22mm, WF15X/16mm, WF20X/12mm, WF25X/9mm, WF30X/8mmMain Body Binocular head, 45°inclined, 360°rotatable, can be locked in any position desired Interpupillary Distance adjustment:54-75mm; Diopter adjustment:±5 dioptersObjective 0.67X-4.5X stereo zoom; Zoom Ratio:6.7:1Aux Lens 0.3X, 0.5X, 0.7X, 0.75X, 1.5X, 2XFocusing Mount A1 focusing mount with vertical working distance 50mmStand B3 pole stand, for more options, please refer to"ACCESSORIES-MICROSCOPE STAND"Illumination Fluorescent lamp, LED ring light, for more option, please refer to"ACCESSORIES-ILLUMINATOR"