20X Objective NA 0.4 FN 22.0 WD 1.3 mm

• Numerical Aperture (NA): 0.4
• Working Distance (WD) [mm]: 1.3
• Objective Field Number: 22
• Coverglass Thickness [mm]: 0
• Immersion Medium: Air/Dry
• Correction Collar: N/A
• Objective Type: Achromat
• Parfocal Distance [mm]: 45
• Back Focal Plane (BFP) Position [mm]: -20.6
• Mounting Threads: W26X0.706
• Reflected Brightfield (BF): Good
• Transmitted Brightfield (BF): Good
• Reflected Darkfield (DF): Good
• Transmitted Darkfield (DF): N/A
• Reflected DIC (Visible): N/A
• Transmitted DIC (Visible): N/A
• Polarization (PO): N/A
• Fluorescence (B & G excitation): N/A
• Fluorescence (UV excitation : 365nm): N/A
• Multi photon excitation (MPE): N/A
• Compatible for Autofocus: N/A
• IR Through Si or Glass: N/A
• TIRF (Total Internal Reflection Fluorescence): N/A
• WLI (White Light Interferometry): N/A
• 340nm Transmittance: N/A
• 700-1000nm Transmittance: N/A
• 1000-1300nm Transmittance: N/A
• Magnification: 20
• Relief Contrast (RC): N/A
• Phase Contrast (PH): N/A
• With Coverglass: N/A
• Variable Coverglass: N/A
• Without Coverglass: Yes