Microscope Glossary

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Zoom Lens

Characteristics & Mechanics of Zoom Lenses

Unlike conventional microscope objectives that have a fixed magnification, zoom lenses can accommodate a wide-range of magnifications by adjusting the distance between individual lenses within the zoom lens body.
These lenses allow for much faster observation in that the magnification can be quickly adjusted by simply rotating the zoom ring on the lens.
While most conventional systems require the use of several different objective lenses in order to achieve a wide magnification range, that same range can be fulfilled with just a single zoom lens.
Since multiple objectives and a turret system are not needed, zoom lenses reduce the size and cost of the equipment.

Structure of a zoom lens
Wide-angle Telescopic
Standard Telescopic
High-magnification Telescopic

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  • Microscope-Related DevicesIndex
  • Microscope-Related DevicesDifferential Interference Contrast (DIC)

INDEX

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  • Basic of Microscopes
    • Basic Structure and Principle of Microscopes
    • Main Types of Microscopes
    • History of Microscopes
    • Microscope Illumination Methods
    • Microscope Observation Modes
    • Microscope Optical Systems
  • Optical Microscopes
    • Digital Microscope
    • Stereoscopic Microscopes
    • Measuring Microscope
    • Metallurgical Microscope
    • Biological Microscopes
    • Fluorescence Microscopes
    • Compound Microscope
    • High Power Microscope
    • Light Microscope
  • Other Microscopes
    • Confocal Microscope
    • Laser Scanning Confocal Microscopes
    • Scanning Electron Microscope
    • Fluorescence Confocal Microscopes
    • Atomic Force Microscopes (AFM)
  • Microscope-Related Devices
    • Zoom Lens
    • Differential Interference Contrast (DIC)
    • Free-Angle Observation System
    • Cooled CCD
  • Microscope Observation Techniques
    • HDR (High Dynamic Range)
    • Depth Composition
    • 3D Microscope Imaging
  • Microscope Lighting Techniques
    • Transmitted Illumination
    • Coaxial Illumination
    • Ring Illumination
    • Diffuse Lighting
    • Partial Illumination
    • Polarized Illumination
  • Microscope-Related Terminology
    • Depth-of-Field
    • Numerical Aperture (N.A.)
    • Image Sensor
    • Color Resolution
    • Halation
    • Telecentric lenses
    • Particle / Contamination Analysis
  • Imaging & Analysis Capabilities Used by Over 20,000 Companies
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Home

  • Basic of Microscopes
    • Basic Structure and Principle of Microscopes
    • Main Types of Microscopes
    • History of Microscopes
    • Microscope Illumination Methods
    • Microscope Observation Modes
    • Microscope Optical Systems
  • Optical Microscopes
    • Digital Microscope
    • Stereoscopic Microscopes
    • Measuring Microscope
    • Metallurgical Microscope
    • Biological Microscopes
    • Fluorescence Microscopes
    • Compound Microscope
    • High Power Microscope
    • Light Microscope
  • Other Microscopes
    • Confocal Microscope
    • Laser Scanning Confocal Microscopes
    • Scanning Electron Microscope
    • Fluorescence Confocal Microscopes
    • Atomic Force Microscopes (AFM)
  • Microscope-Related Devices
    • Zoom Lens
    • Differential Interference Contrast (DIC)
    • Free-Angle Observation System
    • Cooled CCD
  • Microscope Observation Techniques
    • HDR (High Dynamic Range)
    • Depth Composition
    • 3D Microscope Imaging
  • Microscope Lighting Techniques
    • Transmitted Illumination
    • Coaxial Illumination
    • Ring Illumination
    • Diffuse Lighting
    • Partial Illumination
    • Polarized Illumination
  • Microscope-Related Terminology
    • Depth-of-Field
    • Numerical Aperture (N.A.)
    • Image Sensor
    • Color Resolution
    • Halation
    • Telecentric lenses
    • Particle / Contamination Analysis

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