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195 Achromatic Microscope Objective Lens RMS 20.2mm

195 Achromatic Microscope Objective Lens RMS 20.2mm

The 195 Achromatic Microscope Objective Lens RMS 20.2mm is a standard objective lens for biological and general-purpose microscopes. Designed for use with 160 mm tube length microscopes, it provides corrected chromatic and spherical aberration for clear imaging at 10X magnification with a 0.25 numerical aperture and 20.2 mm RMS thread interface.

  • Achromatic correction reduces color fringing for accurate specimen imaging
  • 20.2 mm RMS thread interface ensures compatibility with standard microscope nosepieces
  • 10X magnification suitable for routine biological and clinical inspection
  • 0.25 numerical aperture balances resolution and working distance
  • 160 mm tube length standard for compatibility with most biological microscopes
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Technical features

  • Magnification: 10X
  • Numerical Aperture: 0.25
  • Tube Length: 160 mm
  • Thread Type: RMS 20.2 mm
  • Correction: Achromatic (chromatic and spherical aberration corrected)
  • Working Distance: Approximately 10 mm (estimated based on standard 10X objectives)
  • Mounting: Screw-in, 20.2 mm RMS interface
  • Use Case: Biological and general-purpose microscopy

Who it is for

  • Clinical laboratories requiring reliable, cost-effective objectives
  • Educational institutions sourcing standard objectives for teaching labs
  • Manufacturers specifying consistent optical components for microscope assemblies
  • Distributors stocking standard objectives for replacement or kit builds

Specifications

Model195 Achromatic Microscope Objective Lens
Thread TypeRMS 20.2 mm
CorrectionAchromatic
MountingScrew-in
ApplicationBiological and general-purpose microscopy

Use guide

  • Verify microscope nosepiece accepts RMS 20.2 mm thread before installation
  • Use with 160 mm tube length microscopes to ensure correct image formation
  • Pair with 10X eyepieces for standard 100X total magnification
  • Clean lens surface with lens paper and alcohol before and after use

FAQ

What is the thread size of this objective?
RMS 20.2 mm, standard for many biological microscopes.
Is this lens compatible with oil immersion?
No. It is a dry lens with 0.25 NA; not designed for oil immersion use.
What magnification does it provide?
10X total magnification when used with a 10X eyepiece.
What type of correction does it have?
Achromatic correction for reduced chromatic and spherical aberration.
Can it be used with a 200 mm tube length microscope?
No. Designed for 160 mm tube length; using it on a 200 mm system may cause image distortion.

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