195 Black Achromatic Objective Lens for Biological Microscope, RMS 20.2mm Thread, 4X 20X 40X 60X 100X Oil Immersion Set with High Magnification and Clear Imaging（60X）

BIOLOGICAL MICROSCOPE OBJECTIVE SET: 4X to 100X achromatic lens kit for seamless magnification transitions and clear imaging across all levels

LONG LASTING PERFORMANCE: Multi-layer coated optical glass lenses with copper core construction insure high light transmittance and stable operation over

COMPATIBLE WITH RMS20.2MM MICROSCOPES: Fits general biological microscopes with 185mm or 195mm tube length, including most standard models used in labs and education

OIL IMMERSION TECHNOLOGY: 100X(S,OIL) objective uses oil immersion to forestall light loss, enhancing brightness and resolution for detailed sample analysis

ENGINEERING FOR SAFE USE: Spring-loaded retractable front lens damage to specimens during focusing, allowing quick, risk- observation at high power