Model 195 Plan Objective Lens, plane cocular Compact, precision objective lens compatible with microscopes that use the international standard RMS interface 4/5 inch by 1/36 inch. Available in multiple magnifications so you can choose the optic that matches your application. Key features and specifications Model: 195 Plan Objective lens Design: plane cocular Available magnifications: 4X, 10X, 20X, 40X, 60X, 100X (select one) Parfocal length: 45 mm for easy switching between objectives while maintaining focus Interface: International standard RMS thread 4/5 inch by 1/36 inch, compatible with standard microscope turrets Diameter: approximately 20.3 mm by 0.705 mm Working distances: 4X: 18.9 mm 10X: 5.84 mm 20X: 1.16 mm 40X: 0.75 mm 60X: 0.49 mm 100X: 0.23 mm Package: 1 piece, supplied in the magnification you select Construction: made from quality materials for stable performance and long service life Why choose this objective lens Precise parfocal length ensures minimal refocusing when changing magnifications, improving workflow speed in multiobjective viewing. Standard RMS threading provides broad compatibility with many lab and teaching microscopes. Wide range of magnifications covers lowpower scanning through power detailed observation. Durable construction supports repeated use in routine laboratory, educational, or inspection settings. Typical applications Educational labs and classroom microscopy for teaching and student use. Industrial inspection and quality control for examining small parts, circuit boards, and materials. Biological and materials research where different magnifications are needed for sample overview and detailed analysis. Additional notes Allow a measurement tolerance of 0 to 3 mm due to manual measurement. Colors in photos may vary slightly depending on monitor settings. Please select the required magnification when ordering; one piece will be supplied per .