The Mark X Deluxe Zoom Microscope is a versatile and powerful tool, delivering high-quality magnification and illumination for detailed gemstone analysis and inclusion detection. Optical and Magnification Features: Magnification Range: Offers 10X to 45X magnification with Zoom, extendable up to 90X with optional 20X eyepieces. Field of View: Provides a wide field of view – 24 mm at 10X and 7 mm at 45X. 360-Degree Rotating Optic Head: Enhances viewing flexibility and convenience. Illumination and Viewing Options: Darkfield/Brightfield Illumination: Includes an adjustable iris diaphragm for precise light control. Three-Way Illumination: Features transmitted light, an overhead 24-watt halogen bulb, and an independent near daylight fluorescent light, operable together or separately. Additional Features and Accessories: Stoneholder: For secure and convenient placement of gemstones. Eyeguards and Dust Cover: To protect both the user and the microscope. Gem Clip: Included for additional support in examining gemstones. This microscope is a must-have for gemologists, offering a comprehensive set of features for an in-depth and accurate gemstone analysis.