The Celestron Labs S20 Stereo Microscope offers an ideal introduction to stereo microscopy at an affordable price. It features a 20x magnification power, making it perfect for detailed observations of three-dimensional objects such as insects, leaves, and other natural specimens. Key Features: Magnification and Optics: Equipped with 10x eyepieces and 2x objective lenses, this microscope provides clear and detailed views. Durable Metal Construction: The metal head with a coarse focusing knob ensures stability and ease of use during observations. Effective Illumination: Comes with an upper LED illumination, providing bright and clear illumination for detailed viewing of specimens. Versatile Viewing Options: The inclusion of a removable stage plate allows for the option of bottom lighting, enhancing the versatility of specimen observation (note: bottom light source not included). Educational Value: Includes two insect specimens, offering immediate exploration and learning opportunities right out of the box. Portability and Power: Lightweight and portable, it's powered by two AA batteries (included), making it convenient for both classroom and field use. The Celestron Labs S20 Stereo Microscope is a fantastic choice for students and hobbyists looking to explore the microscopic world, offering quality viewing at an accessible price point. Specifications Type of Microscope: Stereo Head: Stereo, vertical position, adjustable interpupillary distance adjustability Eyepiece(s) Magnification: (2) 10x Eyepiece(s) Diameter: 30mm (1.18") Nosepiece: stereo, fixed Objective(s) Type: Refractive Objective(s) Standard: N/A Objective(s) Magnification: Dual stereo (Greenough); 2x Objective(s) Thread: N/A Focus Type(s): Rack and pinion, coarse focus only Focus Travel (per rotation): 33mm (1.29") Magnification Range: 20x Illumination Type: LED Illumination Position(s): Upper Illumination Adjustability Mechanism: No Power Source: AA battery Battery Option: (2) AA (Included) Stage: Removable plastic plate, white Condenser Type: None Condenser N.A.: None Stage Diaphragm: None Included Items: 2 bug specimens (encased in clear plastic) Solar Warning California Residents View Proposition 65 Warning