This 10X biological microscope objective lens is a singlepiece accessory designed for microscopes with a 20.2mm mounting size. It provides reliable 10 times magnification for closer study of prepared slides and simple specimen observation. Key benefits Ready replacement or upgrade: Install a single 10X objective to restore or expand the capability of microscopes that accept 20.2mm objectives. Clear, consistent magnification: 10X power makes it easy to examine cells, tissues, microorganisms, and small structures without changing eyepieces. Simple compatibility: Sized for 20.2mm fittings so it fits standard tubes and objective holders that accept this diameter. Practical and economical: Onepiece supply gives a straightforward, nofuss option for classrooms, hobbyists, and basic laboratory setups. Features and attributes Function: Biological microscope objective lens designed for direct observation of biological samples at 10X magnification. Compatibility: Intended for microscopes with a 20.2mm mount diameter. Confirm your instrument accepts 20.2mm objectives before . Quantity and size: Includes 1 piece with a 20.2mm mounting dimension and 10X magnification. Build and handling: Compact singlepiece design for easy installation and replacement. Handle by the barrel and avoid touching optical surfaces. Performance and use Provides reliable 10 times magnification suitable for general biological observation and instructional work. Works well with common eyepiece combinations to achieve comfortable viewing for adult learners and operators. Practical applications Classroom and teaching labs: a worn objective or add a 10X option for student microscopy exercises and demonstrations. Hobbyist microscopy: Observe pond water, plant tissues, insect parts, and other everyday specimens with consistent magnification. Basic lab and field use: Use as a spare or backup objective for routine slide inspection during sample preparation and study. Installation and care Confirm the 20.2mm mounting dimension matches your microscope before installing. Fit the objective into the appropriate holder, secure according to your microscope design, and clean optical surfaces with lens tissue or a suitable cleaner when needed. This 20.2mm 1 piece 10X biological objective lens provides a straightforward, compatible solution for microscopes requiring a 20.2mm 10X accessory.