Item Type: Monocular Biological Microscope <br>Material: Aluminum Alloy <br>Battery: 1.5V AA Battery x 3 ( Shipped Without Battery ) <br>Host Objective Magnification: 4X, 10X, 40X <br>Matching Eyepieces: 10X, 16X Eyepieces <br>Objective Lens to Main Image Distance: Approx. 19.5mm/0.77in <br>Illumination: 3Wled ( Adjustable Brightness )<br>1、High Magnification: This microscope with 3 achromatic objective lenses ( 4X, 10X, 40X ) mounted on a rotating turntable and 2 eyepieces ( Wide Field of View WF10X and WF16X ) with high magnification can help you to observe small details. <br>2、Illumination System: This microscope features incident and transmitted LEDs with adjustable light source brightness by turning a knob, allowing you to see both opaque objects (such as hair, fabric or some leaves, flowers, etc.) illuminated from above and translucent specimens illuminated from below, making it easy to use. <br>3、Fine Focus: This microscope has fine focusing on both sides and a 0.65 NA single lens spotting scope with a disk diaphragm to ensure easy focus adjustment and create clearer, sharper images. <br>4、Metal Body: This microscope features a sturdy metal frame which is sturdy and wear resistant, and has a long service life. <br>5、Wide Application: This microscope has a wide range of applications and can be used for clinical research, breeding tests, biochemical tests for professionals and enthusiastic amateurs.<p>1 x Microscope</p><p>1 x 10X Eyepiece&nbsp;</p><p>1 x 16X Eyepiece&nbsp;</p><p>1 x Manual</p><p>1 x Cloth Bag</p>