The Beginner 40x-400x Biological Microscope (MS-040) is a versatile and easy-to-use microscope. With its bright LED illumination, 360-degree rotation, and metal construction, it is a great platform for students, educators, and hobbyists to delve into the world of microscopic biology. Thanks to its illumination provided by two white LED lights (transmission and reflection), it is the perfect tool to examine a wide range of transparent to opaque specimens. Magnification Range 40x-400x - Total magnification range of 400x using the most powerful objective and eyepiece provided with the product. Great microscope for exploring biological specimens, such as plant and animal cells. Built-in LED Illumination - Great lighting and magnification are crucial when looking at specimens, and the MS-040 features two bright white LED sources (transmission and reflection) to observe opaque to transparent specimens. Durable Construction - The MS-040 is built with durable materials to be used throughout the years, as well as glass optics to ensure clear and bright images. Comfortable Use - The MS-040 features a 360 degree rotatable monocular head tilted at a 45 degree angle for comfortable viewing and easy sharing of the specimen view. Features - Power adapter AC 110V-240V, 50-60Hz | Eyepiece: WF-10x | Objectives: 4x, 10x, 40x | Working Stage Size: 90mmx90mm |Condenser: N.A.0.65 | Filter Wheel and Diaphragm: 6 Positions. The Beginner 40x-400x Biological Microscope (MS-040) is a versatile and easy-to-use microscope. With its bright LED illumination, 360-degree rotation, and metal construction, it is a great platform for students, educators, and hobbyists to delve into the world of microscopic biology. The MS-040 offers a magnification range of 40x to 400x, making it suitable for observing a wide variety of specimens. At 40x, you can view larger structures, such as plant cells, while 400x magnification allows for the examination of smaller details, like the internal structures of microorganisms. This range provides flexibility in what you can study and is perfect for beginners who want to explore different levels of magnification. Thanks to its illumination provided by two white LED lights (transmission and reflection), it is the perfect tool to examine a wide range of transparent to opaque specimens. This feature ensures that your specimens are brightly and evenly lit, providing clear and detailed images. The LED light is energy-efficient and long-lasting, making it a reliable source of illumination for your microscopic explorations. The microscope features a filter wheel with 5 color options. The included AC power adaptor allows for use internationally without the need for a voltage transformer.