Olympus PLN 20X Objective

Product Details Ideal for Brightfield, Darkfield, or Fluorescence Microscopy Excellent Price-to-Performance Ratio Suitable for Introductory and Advanced Optical Microscopy Applications Additional Olympus Infinity Corrected Objectives Available Olympus Plan Achromatic Objectives are designed for clinical laboratory or examination applications. When using brightfield observation in a transmitted illumination system, Olympus Plan Achromatic Objectives provide excellent field flatness of up to F.N.22. Specifications General Model Number: PLN20X Compatible Tube Lens Focal Length (mm): Focal Length: 180mm Type: Microscope Objective Style: Infinity Corrected Manufacturer: Olympus Physical & Mechanical Properties Field of View (mm): 1.1 Length excluding Threads (mm): 43.70 Maximum Diameter (mm): 24 Weight (g): 112.0 Optical Properties Compatible Cover Glass Thickness (mm): 0.17 Focal Length FL (mm): 9.00 Magnification: 20X Numerical Aperture NA: 0.40 Resolving Power (μm): 0.84 Depth of Field (μm): 1.72 Working Distance (mm): 1.2 Field Number (mm): 22 Parfocal Length (mm): 45 Immersion Liquid: N/A Depth of Focus (μm): 688 Entrance Pupil Diameter (mm): 7.20 Threading & Mounting Mounting Threads: RMS / 20.32mm x 36 TPI Regulatory Compliance RoHS 2015: Exempt × Reach 223: Contains SVHC(s) × Certificate of Conformance: View ×