This binocular stereo microscope comes with two pairs of stereo objective lenses mounted in a rotating nosecone, and a versatile illumination system that provides both incident (top) lighting and transmitted (bottom) lighting. You can choose between incident illumination shining down onto the object or transmitted illumination through the frosted stage plate. The first is used for the observation of three-dimensional objects and the second for the observation of slides. This microscope offers high resolution and good depth within a broad field of view. It gives sharp clear stereo images. Its 45 degree inclined binocular head ensures an easy observation and rubber eyeguards provide further comfort. This model has a rear-oriented head which places the observation stage farther away from the user for extra room when using certain tools or props. The ocular tubes can be easily adjusted to properly align with your eyes, and one is equipped with a diopter to compensate for astigmatism. This microscope is useful for many applications. It can be used in geology, forestry, archaeology, agriculture, biology and is appropriate for educational purposes in hospitals and schools. It is great for the exploration of the world of surface details and fine structures of various materials like wood, metal, solder, semiconductor and stone. It is perfect for the examination of insects, plants, rocks, stamps, jewel, soldered points, microelectronic components or virtually any three dimensional objects. This scope is an ideal tool for watchmaker, jeweler, engraver, dies-maker, philatelist, students, and etc. It comes with first-class quality and affordable price. 45° Inclined Binocular Head with Locked-In Eyepieces Two pairs of stereo objective lenses: 2X and 4X Sharp Stereo Erect Images over a Wide Field View Metal Body Construction with Arm Stand High Quality Original True Color Ocular-Tube with Adjustable Diopter Accurate Alignment Ensuring a Fatigue-Free Long Hour Viewing Full Optical Glass Elements Precise Ground Glass Lens All Metal Mechanical Components Adjustable Interpupillary Distance Built-In Both Incident and Transmitted Illumination Systems Upper/Lower Halogen Lights Specifications : Head: 45° inclined binocular Widefield Eyepiece: 10X Objectives: 2X & 4X Diopter Adjustment: +/-5dp Interpupillary Distance: 2-3/16" - 2-15/16"(55-75mm) Stand Type: Track Working Distance: 2-1/8" (53mm) Frosted Glass Objective Plate: 3-3/4" (95mm) in diameter White/Black Plastic Objective Plate: 3-3/4" (95mm) in diameter Illumination: AC 120V power supply, 12V/10W bulbs Packing List:One microscope One pair 10X eyepieces One 3-3/4" (96mm) Frosted Glass Plate One 3-3/4" (96mm) Plastic Plate One Wrench for Focusing Tension Adjustment One Pair of Eye-guards One Pair of Clips One 12V/10W Spare Bulb One Dust Cover