Polarizing Microscope YG1287 // YG1288

ManufacturerYUL GARY

Description

The Polarizing Microscope YG1287 // YG1288 is a high-performance instrument designed for advanced crystallographic analysis, geological research, and material science applications. Equipped with an infinity optical system, this microscope ensures high-resolution imaging with strain-free LWD Infinity Plan Achromatic Objectives (5x, 10x, 40x, 100x), making it ideal for high-precision polarized light microscopy.

The Seidentopf trinocular head, inclined at 30°, offers an interpupillary adjustment range of 48-75mm, ensuring ergonomic comfort for extended use. The backward quintuple nosepiece, with center adjustment capability, allows seamless switching between magnifications. The round rotating stage (170mm diameter) with a 360° scale and minimum division of 1° facilitates precise sample positioning, critical for conoscopic and orthoscopic observations.

Market Price

The Polarizing Microscope YG1287 // YG1288 is available within a price range of $6.081 to $6.684 USD, depending on optional configurations and accessories. For the best pricing options and personalized quotes, users can request a quotation through Kalstein Plus.

Frequently Asked Questions

  • What is the difference between the YG1287 and YG1288 models?
    The YG1287 is designed for reflect light polarization, while the YG1288 supports both reflect and transmit light polarizing techniques, making it more versatile for various research applications.
  • Can this microscope be used for forensic applications?
    Yes, it is widely used for forensic fiber analysis, crystallography, and material identification due to its high-precision polarizing capabilities.
  • Is it compatible with digital imaging?
    Yes, the trinocular head includes a C-Mount adapter (0.5x, 1.0x) and photo adapter, allowing the integration of high-resolution cameras for digital documentation.

Advantages and Disadvantages

Advantages:

  • High-quality strain-free infinity optics for enhanced image clarity.
  • Advanced polarization system with Bertrand lens and optical compensators.
  • Large rotatable stage (170mm) with precise positioning.
  • Dual illumination system (transmit & reflect) for versatile applications.
  • Digital imaging compatibility with C-Mount and photo adapters.

Disadvantages:

  • Higher cost compared to standard laboratory microscopes.
  • Requires specialized training for optimal use in crystallographic and petrographic applications.
  • Advanced accessories such as digital cameras and additional objectives increase the total cost.

Field Applications

The Polarizing Microscope YG1287 // YG1288 is widely used in:

  • Geological and Petrographic Analysis – Studying rock and mineral thin sections under polarized light.
  • Forensic Investigations – Identifying fibers, paint residues, and birefringent materials.
  • Material Science – Examining crystalline structures and stress analysis in polymers and metals.
  • Biomedical Research – Observing biological samples with birefringent properties.
  • Industrial Quality Control – Detecting structural defects in optical and electronic components.

Recommendations for Optimal Performance

  • Regularly clean the optical components to maintain image clarity and prevent dust accumulation.
  • Use the Bertrand lens for conoscopic analysis to achieve detailed interference pattern visualization.
  • Adjust illumination settings based on the sample type to enhance contrast and image quality.
  • Store the microscope in a controlled environment to protect against moisture and contaminants.

Technical Specifications

Model YG1287 YG1288
Optical System Infinity Optical System
Head Seidentopf Trinocular Head, 30° Inclined, Interpupillary 48~75mm, Diopter Adjustable
Eyepiece Plan Eyepiece EW10x/22mm, Eyepiece Tube Dia.30mm
Plan Eyepiece With Scale of Crosshair
Plan Eyepiece With Cross
Plan Eyepiece With Gridding
Nosepiece Backward  Quintuple  Nosepiece
Objective Strainfree LWD Infinity Plan Achromatic Objective 5x/0.12/∞/- W.D.15.5mm
10x/0.25/∞/- W.D.10mm
20x/0.4/∞/0 W.D.4.3mm
50x/0.75/∞/0 W.D.0.32mm
100x/0.8/∞/0 W.D.2mm
Strainfree Infinity Plan Achromatic Objective 40x/0.65/∞/0.17 W.D.0.54mm o
100x/1.25/∞/0.17 W.D.0.13mm o
Nosepiece Backward Quintuple Nosepiece, Center Adjustable
Analyzer 360° Dial Rotation Analyzer, Minimum Scale Reading 0.1° (Vernial Scale)
–Switch Between Orthoscopic And Conoscopic Observation
–Bertrand Lens Postion Adjustable
–Optical Compensator: λ Slip (First Class Red), 1/4λ Slip, Quartz Wedge
Working Stage Polarizing Rotatable Stage, Dia.170mm, Center Adjustable
360° Scale, Minimum Division 1°
Minimum Reading 6′ By Means of Vernial Scale
45° Click Stop Knob
Condenser Strainfree Swing Condenser N.A.0.95/0.25
Focusing Coaxial Coarse & Fine Adjustment, Focusing Range 32mm, Fine Division 0.001mm, Coarse Stroke 37.7mm Per Rotation, Fine Stroke 0.1mm Per Rotation
Polarizer For Reflect: Fixed Polarizer
For Transmit: 360° Rotatable Polarizer, 0° Position Adjustable o
Illumination Reflect Light Halogen Lamp 24V100W, Brightness Adjustable
Transmit Light Halogen Lamp 24V100W,Brightness Adjustable o
Blue Filter, Dia.45mm
 Reflect, Reflect & Transmit Polarizing Microscope Optional Accessories
Stage Attachable Stage, Moving Range 30*40mm YG1288-op1
Filter For Netural Filter ND25, Dia.45mm YG1288-op2
Transmit Light: Netural Filter ND6, Dia.45mm YG1288-op3
For Blue Filter, Dia.25mm YG1288-op4
Reflect Light: Netural Filter ND25, Dia.25mm YG1288-op5
Netural Filter ND6, Dia.25mm YG1288-op6
Adapter Photo Adapter YG1288-op7
C-Mount 1.0x YG1288-op8
C-Mount 0.5x YG1288-op9

Additional information

Weight 16,5 kg
Model

YG1287, YG1288

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