20X ZEISS A-Plan Objective

Product Details Ideal for Brightfield and Fluorescence Applications Excellent Color Correction and Flatness of Field Oil Immersion Options Available ZEISS A-Plan Infinity Corrected Objectives are designed for a variety of routine life science applications. These objectives exhibit excellent color correction and flatness of field that satisfy ISO 19012-1:2013 standards. They are ideal for brightfield inspection of fixed and stained tissues or cells in fluorescence applications. The large field number of 23mm facilitates fast screening of samples. ZEISS A-Plan Infinity Corrected Objectives are corrected for standard cover slips with 0.17mm thickness. Note: Tube Lens #13-828 is required when using ZEISS A-Plan Infinity Corrected Objectives with non-ZEISS Infinity Color Corrected (ICS) microscope systems. Specifications General Model Number: 421050-9900-000 Compatible Tube Lens Focal Length (mm): Focal Length: 164.50mm Type: Microscope Objective Typical Applications: Fluorescence, BrightField Style: Infinity Corrected Manufacturer: Zeiss Physical & Mechanical Properties Field of View (mm): 1.15 Length excluding Threads (mm): 44.40 Maximum Diameter (mm): 30 Weight (g): 130 Optical Properties Compatible Cover Glass Thickness (mm): 0.17 Focal Length FL (mm): 8.20 Magnification: 20X Numerical Aperture NA: 0.45 Resolving Power (μm): 0.61 Depth of Field (μm): 1.36 Working Distance (mm): 0.46 Wavelength Range (nm): 480 – 650 Field Number (mm): 23 Parfocal Length (mm): 45.06 Immersion Liquid: N/A Threading & Mounting Mounting Threads: M27 x 0.75 Environmental & Durability Factors Operating Temperature (°C): +10 to +40 Operating Humidity: 75% at 35°C Regulatory Compliance Certificate of Conformance: View ×